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Finding the Fourth Proportional to 253,251.38, 379,876.86 and 101,517.02

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Solution

The fourth proportional to 253,251.38, 379,876.86 and 101,517.02 is: 152,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,251.38 : 379,876.86 = 101,517.02 : x
  2. Step 2: Convert to fraction form
    253,251.38/379,876.86 = 101,517.02/x
  3. Step 3: Cross multiply
    253,251.38x = 379,876.86 × 101,517.02
  4. Step 4: Simplify right side
    253,251.38x = 38,563,964,894.77
  5. Step 5: Solve for x
    x = 38,563,964,894.77/253,251.38
  6. Step 6: Final answer
    x = 152,275.44

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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.