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Finding the Fourth Proportional to 239,637.60, 330,699.92 and 132,207.89

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Solution

The fourth proportional to 239,637.60, 330,699.92 and 132,207.89 is: 182,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,637.60 : 330,699.92 = 132,207.89 : x
  2. Step 2: Convert to fraction form
    239,637.60/330,699.92 = 132,207.89/x
  3. Step 3: Cross multiply
    239,637.60x = 330,699.92 × 132,207.89
  4. Step 4: Simplify right side
    239,637.60x = 43,721,136,331.83
  5. Step 5: Solve for x
    x = 43,721,136,331.83/239,637.60
  6. Step 6: Final answer
    x = 182,446.90

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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.