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Finding the Fourth Proportional to 253,963.29, 381,008.36 and 179,229.40

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Solution

The fourth proportional to 253,963.29, 381,008.36 and 179,229.40 is: 268,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,963.29 : 381,008.36 = 179,229.40 : x
  2. Step 2: Convert to fraction form
    253,963.29/381,008.36 = 179,229.40/x
  3. Step 3: Cross multiply
    253,963.29x = 381,008.36 × 179,229.40
  4. Step 4: Simplify right side
    253,963.29x = 68,287,896,956.60
  5. Step 5: Solve for x
    x = 68,287,896,956.60/253,963.29
  6. Step 6: Final answer
    x = 268,888.85

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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.