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Finding the Fourth Proportional to 381,727.70, 572,591.55 and 240,010.10

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Solution

The fourth proportional to 381,727.70, 572,591.55 and 240,010.10 is: 360,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,727.70 : 572,591.55 = 240,010.10 : x
  2. Step 2: Convert to fraction form
    381,727.70/572,591.55 = 240,010.10/x
  3. Step 3: Cross multiply
    381,727.70x = 572,591.55 × 240,010.10
  4. Step 4: Simplify right side
    381,727.70x = 137,427,755,174.66
  5. Step 5: Solve for x
    x = 137,427,755,174.66/381,727.70
  6. Step 6: Final answer
    x = 360,015.15

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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.