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Finding the Fourth Proportional to 267,833.08, 401,738.10 and 80,839

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Solution

The fourth proportional to 267,833.08, 401,738.10 and 80,839 is: 121,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,833.08 : 401,738.10 = 80,839 : x
  2. Step 2: Convert to fraction form
    267,833.08/401,738.10 = 80,839/x
  3. Step 3: Cross multiply
    267,833.08x = 401,738.10 × 80,839
  4. Step 4: Simplify right side
    267,833.08x = 32,476,106,265.90
  5. Step 5: Solve for x
    x = 32,476,106,265.90/267,833.08
  6. Step 6: Final answer
    x = 121,255.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.