Home / 918,155.20-1,377,232.80-244,235.20

Finding the Fourth Proportional to 918,155.20, 1,377,232.80 and 244,235.20

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Solution

The fourth proportional to 918,155.20, 1,377,232.80 and 244,235.20 is: 366,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,155.20 : 1,377,232.80 = 244,235.20 : x
  2. Step 2: Convert to fraction form
    918,155.20/1,377,232.80 = 244,235.20/x
  3. Step 3: Cross multiply
    918,155.20x = 1,377,232.80 × 244,235.20
  4. Step 4: Simplify right side
    918,155.20x = 336,368,728,354.56
  5. Step 5: Solve for x
    x = 336,368,728,354.56/918,155.20
  6. Step 6: Final answer
    x = 366,352.80

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Double scale
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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.