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Finding the Fourth Proportional to 354,933.92, 532,402.27 and 88,694.73

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Solution

The fourth proportional to 354,933.92, 532,402.27 and 88,694.73 is: 133,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,933.92 : 532,402.27 = 88,694.73 : x
  2. Step 2: Convert to fraction form
    354,933.92/532,402.27 = 88,694.73/x
  3. Step 3: Cross multiply
    354,933.92x = 532,402.27 × 88,694.73
  4. Step 4: Simplify right side
    354,933.92x = 47,221,275,367.30
  5. Step 5: Solve for x
    x = 47,221,275,367.30/354,933.92
  6. Step 6: Final answer
    x = 133,042.44

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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.