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Finding the Fourth Proportional to 449,104.68, 619,748.82 and 267,723

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Solution

The fourth proportional to 449,104.68, 619,748.82 and 267,723 is: 369,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,104.68 : 619,748.82 = 267,723 : x
  2. Step 2: Convert to fraction form
    449,104.68/619,748.82 = 267,723/x
  3. Step 3: Cross multiply
    449,104.68x = 619,748.82 × 267,723
  4. Step 4: Simplify right side
    449,104.68x = 165,921,013,336.86
  5. Step 5: Solve for x
    x = 165,921,013,336.86/449,104.68
  6. Step 6: Final answer
    x = 369,448.42

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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.