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Finding the Fourth Proportional to 636,229.97, 954,320.01 and 215,505.83

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Solution

The fourth proportional to 636,229.97, 954,320.01 and 215,505.83 is: 323,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,229.97 : 954,320.01 = 215,505.83 : x
  2. Step 2: Convert to fraction form
    636,229.97/954,320.01 = 215,505.83/x
  3. Step 3: Cross multiply
    636,229.97x = 954,320.01 × 215,505.83
  4. Step 4: Simplify right side
    636,229.97x = 205,661,521,069.06
  5. Step 5: Solve for x
    x = 205,661,521,069.06/636,229.97
  6. Step 6: Final answer
    x = 323,250.29

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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.