Home / 239,645.10-330,711.30-132,218.29

Finding the Fourth Proportional to 239,645.10, 330,711.30 and 132,218.29

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Solution

The fourth proportional to 239,645.10, 330,711.30 and 132,218.29 is: 182,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,645.10 : 330,711.30 = 132,218.29 : x
  2. Step 2: Convert to fraction form
    239,645.10/330,711.30 = 132,218.29/x
  3. Step 3: Cross multiply
    239,645.10x = 330,711.30 × 132,218.29
  4. Step 4: Simplify right side
    239,645.10x = 43,726,082,569.68
  5. Step 5: Solve for x
    x = 43,726,082,569.68/239,645.10
  6. Step 6: Final answer
    x = 182,461.83

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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.