Home / 220,082.20-329,584.90-198,782.76

Finding the Fourth Proportional to 220,082.20, 329,584.90 and 198,782.76

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Solution

The fourth proportional to 220,082.20, 329,584.90 and 198,782.76 is: 297,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,082.20 : 329,584.90 = 198,782.76 : x
  2. Step 2: Convert to fraction form
    220,082.20/329,584.90 = 198,782.76/x
  3. Step 3: Cross multiply
    220,082.20x = 329,584.90 × 198,782.76
  4. Step 4: Simplify right side
    220,082.20x = 65,515,796,076.32
  5. Step 5: Solve for x
    x = 65,515,796,076.32/220,082.20
  6. Step 6: Final answer
    x = 297,687.85

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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.