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Finding the Fourth Proportional to 252,251.08, 348,101.78 and 137,530.71

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Solution

The fourth proportional to 252,251.08, 348,101.78 and 137,530.71 is: 189,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,251.08 : 348,101.78 = 137,530.71 : x
  2. Step 2: Convert to fraction form
    252,251.08/348,101.78 = 137,530.71/x
  3. Step 3: Cross multiply
    252,251.08x = 348,101.78 × 137,530.71
  4. Step 4: Simplify right side
    252,251.08x = 47,874,684,955.66
  5. Step 5: Solve for x
    x = 47,874,684,955.66/252,251.08
  6. Step 6: Final answer
    x = 189,789.81

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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.