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Finding the Fourth Proportional to 503,104.92, 754,657.38 and 129,127.92

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Solution

The fourth proportional to 503,104.92, 754,657.38 and 129,127.92 is: 193,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,104.92 : 754,657.38 = 129,127.92 : x
  2. Step 2: Convert to fraction form
    503,104.92/754,657.38 = 129,127.92/x
  3. Step 3: Cross multiply
    503,104.92x = 754,657.38 × 129,127.92
  4. Step 4: Simplify right side
    503,104.92x = 97,447,337,792.05
  5. Step 5: Solve for x
    x = 97,447,337,792.05/503,104.92
  6. Step 6: Final answer
    x = 193,691.88

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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.