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Finding the Fourth Proportional to 224,854.29, 310,310.93 and 129,375.54

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Solution

The fourth proportional to 224,854.29, 310,310.93 and 129,375.54 is: 178,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,854.29 : 310,310.93 = 129,375.54 : x
  2. Step 2: Convert to fraction form
    224,854.29/310,310.93 = 129,375.54/x
  3. Step 3: Cross multiply
    224,854.29x = 310,310.93 × 129,375.54
  4. Step 4: Simplify right side
    224,854.29x = 40,146,644,460.09
  5. Step 5: Solve for x
    x = 40,146,644,460.09/224,854.29
  6. Step 6: Final answer
    x = 178,545.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.