Home / 413,469.97-619,811.28-132,790.39

Finding the Fourth Proportional to 413,469.97, 619,811.28 and 132,790.39

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Solution

The fourth proportional to 413,469.97, 619,811.28 and 132,790.39 is: 199,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,469.97 : 619,811.28 = 132,790.39 : x
  2. Step 2: Convert to fraction form
    413,469.97/619,811.28 = 132,790.39/x
  3. Step 3: Cross multiply
    413,469.97x = 619,811.28 × 132,790.39
  4. Step 4: Simplify right side
    413,469.97x = 82,304,981,597.60
  5. Step 5: Solve for x
    x = 82,304,981,597.60/413,469.97
  6. Step 6: Final answer
    x = 199,059.15

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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.