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Finding the Fourth Proportional to 636,231.27, 954,321.97 and 215,507.13

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Solution

The fourth proportional to 636,231.27, 954,321.97 and 215,507.13 is: 323,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,231.27 : 954,321.97 = 215,507.13 : x
  2. Step 2: Convert to fraction form
    636,231.27/954,321.97 = 215,507.13/x
  3. Step 3: Cross multiply
    636,231.27x = 954,321.97 × 215,507.13
  4. Step 4: Simplify right side
    636,231.27x = 205,663,188,850.65
  5. Step 5: Solve for x
    x = 205,663,188,850.65/636,231.27
  6. Step 6: Final answer
    x = 323,252.25

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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.