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Finding the Fourth Proportional to 275,331.79, 412,910.17 and 187,151.95

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Solution

The fourth proportional to 275,331.79, 412,910.17 and 187,151.95 is: 280,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,331.79 : 412,910.17 = 187,151.95 : x
  2. Step 2: Convert to fraction form
    275,331.79/412,910.17 = 187,151.95/x
  3. Step 3: Cross multiply
    275,331.79x = 412,910.17 × 187,151.95
  4. Step 4: Simplify right side
    275,331.79x = 77,276,943,490.33
  5. Step 5: Solve for x
    x = 77,276,943,490.33/275,331.79
  6. Step 6: Final answer
    x = 280,668.44

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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.