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Finding the Fourth Proportional to 138,377, 207,565.50 and 44,882.75

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Solution

The fourth proportional to 138,377, 207,565.50 and 44,882.75 is: 67,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,377 : 207,565.50 = 44,882.75 : x
  2. Step 2: Convert to fraction form
    138,377/207,565.50 = 44,882.75/x
  3. Step 3: Cross multiply
    138,377x = 207,565.50 × 44,882.75
  4. Step 4: Simplify right side
    138,377x = 9,316,110,445.13
  5. Step 5: Solve for x
    x = 9,316,110,445.13/138,377
  6. Step 6: Final answer
    x = 67,324.13

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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.