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Finding the Fourth Proportional to 443,265.92, 611,635.72 and 252,282.52

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Solution

The fourth proportional to 443,265.92, 611,635.72 and 252,282.52 is: 348,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,265.92 : 611,635.72 = 252,282.52 : x
  2. Step 2: Convert to fraction form
    443,265.92/611,635.72 = 252,282.52/x
  3. Step 3: Cross multiply
    443,265.92x = 611,635.72 × 252,282.52
  4. Step 4: Simplify right side
    443,265.92x = 154,305,000,763.61
  5. Step 5: Solve for x
    x = 154,305,000,763.61/443,265.92
  6. Step 6: Final answer
    x = 348,109.33

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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.