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Finding the Fourth Proportional to 482,450.80, 665,754.96 and 267,575.44

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Solution

The fourth proportional to 482,450.80, 665,754.96 and 267,575.44 is: 369,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,450.80 : 665,754.96 = 267,575.44 : x
  2. Step 2: Convert to fraction form
    482,450.80/665,754.96 = 267,575.44/x
  3. Step 3: Cross multiply
    482,450.80x = 665,754.96 × 267,575.44
  4. Step 4: Simplify right side
    482,450.80x = 178,139,676,354.18
  5. Step 5: Solve for x
    x = 178,139,676,354.18/482,450.80
  6. Step 6: Final answer
    x = 369,239.05

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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.