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Finding the Fourth Proportional to 154,234.52, 231,351.70 and 43,426.52

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Solution

The fourth proportional to 154,234.52, 231,351.70 and 43,426.52 is: 65,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,234.52 : 231,351.70 = 43,426.52 : x
  2. Step 2: Convert to fraction form
    154,234.52/231,351.70 = 43,426.52/x
  3. Step 3: Cross multiply
    154,234.52x = 231,351.70 × 43,426.52
  4. Step 4: Simplify right side
    154,234.52x = 10,046,799,227.08
  5. Step 5: Solve for x
    x = 10,046,799,227.08/154,234.52
  6. Step 6: Final answer
    x = 65,139.76

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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.