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Finding the Fourth Proportional to 239,761.68, 330,847.56 and 132,324.77

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Solution

The fourth proportional to 239,761.68, 330,847.56 and 132,324.77 is: 182,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,761.68 : 330,847.56 = 132,324.77 : x
  2. Step 2: Convert to fraction form
    239,761.68/330,847.56 = 132,324.77/x
  3. Step 3: Cross multiply
    239,761.68x = 330,847.56 × 132,324.77
  4. Step 4: Simplify right side
    239,761.68x = 43,779,328,109.18
  5. Step 5: Solve for x
    x = 43,779,328,109.18/239,761.68
  6. Step 6: Final answer
    x = 182,595.18

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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.