Home / 258,956.30-387,851.24-132,635.18

Finding the Fourth Proportional to 258,956.30, 387,851.24 and 132,635.18

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Solution

The fourth proportional to 258,956.30, 387,851.24 and 132,635.18 is: 198,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,956.30 : 387,851.24 = 132,635.18 : x
  2. Step 2: Convert to fraction form
    258,956.30/387,851.24 = 132,635.18/x
  3. Step 3: Cross multiply
    258,956.30x = 387,851.24 × 132,635.18
  4. Step 4: Simplify right side
    258,956.30x = 51,442,719,030.62
  5. Step 5: Solve for x
    x = 51,442,719,030.62/258,956.30
  6. Step 6: Final answer
    x = 198,654.05

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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.