Home / 240,819.11-361,229.52-80,890.47

Finding the Fourth Proportional to 240,819.11, 361,229.52 and 80,890.47

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Solution

The fourth proportional to 240,819.11, 361,229.52 and 80,890.47 is: 121,335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,819.11 : 361,229.52 = 80,890.47 : x
  2. Step 2: Convert to fraction form
    240,819.11/361,229.52 = 80,890.47/x
  3. Step 3: Cross multiply
    240,819.11x = 361,229.52 × 80,890.47
  4. Step 4: Simplify right side
    240,819.11x = 29,220,024,684.07
  5. Step 5: Solve for x
    x = 29,220,024,684.07/240,819.11
  6. Step 6: Final answer
    x = 121,335.99

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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.