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Finding the Fourth Proportional to 441,375.28, 661,544.28 and 204,217.04

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Solution

The fourth proportional to 441,375.28, 661,544.28 and 204,217.04 is: 306,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,375.28 : 661,544.28 = 204,217.04 : x
  2. Step 2: Convert to fraction form
    441,375.28/661,544.28 = 204,217.04/x
  3. Step 3: Cross multiply
    441,375.28x = 661,544.28 × 204,217.04
  4. Step 4: Simplify right side
    441,375.28x = 135,098,614,690.53
  5. Step 5: Solve for x
    x = 135,098,614,690.53/441,375.28
  6. Step 6: Final answer
    x = 306,085.59

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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.