Home / 219,489.13-329,233.80-61,717.58

Finding the Fourth Proportional to 219,489.13, 329,233.80 and 61,717.58

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Solution

The fourth proportional to 219,489.13, 329,233.80 and 61,717.58 is: 92,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,489.13 : 329,233.80 = 61,717.58 : x
  2. Step 2: Convert to fraction form
    219,489.13/329,233.80 = 61,717.58/x
  3. Step 3: Cross multiply
    219,489.13x = 329,233.80 × 61,717.58
  4. Step 4: Simplify right side
    219,489.13x = 20,319,511,744.04
  5. Step 5: Solve for x
    x = 20,319,511,744.04/219,489.13
  6. Step 6: Final answer
    x = 92,576.39

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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.