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Finding the Fourth Proportional to 324,703.59, 487,101.11 and 100,082.13

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Solution

The fourth proportional to 324,703.59, 487,101.11 and 100,082.13 is: 150,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,703.59 : 487,101.11 = 100,082.13 : x
  2. Step 2: Convert to fraction form
    324,703.59/487,101.11 = 100,082.13/x
  3. Step 3: Cross multiply
    324,703.59x = 487,101.11 × 100,082.13
  4. Step 4: Simplify right side
    324,703.59x = 48,750,116,113.75
  5. Step 5: Solve for x
    x = 48,750,116,113.75/324,703.59
  6. Step 6: Final answer
    x = 150,137.29

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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.