Home / 918,138.20-1,377,207.30-244,218.20

Finding the Fourth Proportional to 918,138.20, 1,377,207.30 and 244,218.20

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Solution

The fourth proportional to 918,138.20, 1,377,207.30 and 244,218.20 is: 366,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,138.20 : 1,377,207.30 = 244,218.20 : x
  2. Step 2: Convert to fraction form
    918,138.20/1,377,207.30 = 244,218.20/x
  3. Step 3: Cross multiply
    918,138.20x = 1,377,207.30 × 244,218.20
  4. Step 4: Simplify right side
    918,138.20x = 336,339,087,832.86
  5. Step 5: Solve for x
    x = 336,339,087,832.86/918,138.20
  6. Step 6: Final answer
    x = 366,327.30

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Half scale
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Double scale
Find fourth proportional to 918,139.20, 1,377,208.80 and 244,219.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.