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Finding the Fourth Proportional to 444,789.44, 667,202.76 and 129,246.38

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Solution

The fourth proportional to 444,789.44, 667,202.76 and 129,246.38 is: 193,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,789.44 : 667,202.76 = 129,246.38 : x
  2. Step 2: Convert to fraction form
    444,789.44/667,202.76 = 129,246.38/x
  3. Step 3: Cross multiply
    444,789.44x = 667,202.76 × 129,246.38
  4. Step 4: Simplify right side
    444,789.44x = 86,233,541,456.01
  5. Step 5: Solve for x
    x = 86,233,541,456.01/444,789.44
  6. Step 6: Final answer
    x = 193,874.97

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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.