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Finding the Fourth Proportional to 267,512.26, 368,844.11 and 231,147.98

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Solution

The fourth proportional to 267,512.26, 368,844.11 and 231,147.98 is: 318,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,512.26 : 368,844.11 = 231,147.98 : x
  2. Step 2: Convert to fraction form
    267,512.26/368,844.11 = 231,147.98/x
  3. Step 3: Cross multiply
    267,512.26x = 368,844.11 × 231,147.98
  4. Step 4: Simplify right side
    267,512.26x = 85,257,570,727.77
  5. Step 5: Solve for x
    x = 85,257,570,727.77/267,512.26
  6. Step 6: Final answer
    x = 318,705.29

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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.