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Finding the Fourth Proportional to 239,757.29, 330,864.35 and 132,326.56

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Solution

The fourth proportional to 239,757.29, 330,864.35 and 132,326.56 is: 182,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,757.29 : 330,864.35 = 132,326.56 : x
  2. Step 2: Convert to fraction form
    239,757.29/330,864.35 = 132,326.56/x
  3. Step 3: Cross multiply
    239,757.29x = 330,864.35 × 132,326.56
  4. Step 4: Simplify right side
    239,757.29x = 43,782,139,773.34
  5. Step 5: Solve for x
    x = 43,782,139,773.34/239,757.29
  6. Step 6: Final answer
    x = 182,610.26

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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.