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Finding the Fourth Proportional to 482,093.22, 665,278.05 and 267,231.42

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Solution

The fourth proportional to 482,093.22, 665,278.05 and 267,231.42 is: 368,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,093.22 : 665,278.05 = 267,231.42 : x
  2. Step 2: Convert to fraction form
    482,093.22/665,278.05 = 267,231.42/x
  3. Step 3: Cross multiply
    482,093.22x = 665,278.05 × 267,231.42
  4. Step 4: Simplify right side
    482,093.22x = 177,783,197,996.33
  5. Step 5: Solve for x
    x = 177,783,197,996.33/482,093.22
  6. Step 6: Final answer
    x = 368,773.49

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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.