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Finding the Fourth Proportional to 267,148.85, 368,837.48 and 238,418.96

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Solution

The fourth proportional to 267,148.85, 368,837.48 and 238,418.96 is: 329,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,148.85 : 368,837.48 = 238,418.96 : x
  2. Step 2: Convert to fraction form
    267,148.85/368,837.48 = 238,418.96/x
  3. Step 3: Cross multiply
    267,148.85x = 368,837.48 × 238,418.96
  4. Step 4: Simplify right side
    267,148.85x = 87,937,847,142.48
  5. Step 5: Solve for x
    x = 87,937,847,142.48/267,148.85
  6. Step 6: Final answer
    x = 329,171.73

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1.5x scale

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.