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Finding the Fourth Proportional to 392,948.92, 588,248.54 and 240,666.50

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Solution

The fourth proportional to 392,948.92, 588,248.54 and 240,666.50 is: 360,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,948.92 : 588,248.54 = 240,666.50 : x
  2. Step 2: Convert to fraction form
    392,948.92/588,248.54 = 240,666.50/x
  3. Step 3: Cross multiply
    392,948.92x = 588,248.54 × 240,666.50
  4. Step 4: Simplify right side
    392,948.92x = 141,571,717,251.91
  5. Step 5: Solve for x
    x = 141,571,717,251.91/392,948.92
  6. Step 6: Final answer
    x = 360,280.21

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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.