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Finding the Fourth Proportional to 267,742.45, 401,400.55 and 132,711.49

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Solution

The fourth proportional to 267,742.45, 401,400.55 and 132,711.49 is: 198,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,742.45 : 401,400.55 = 132,711.49 : x
  2. Step 2: Convert to fraction form
    267,742.45/401,400.55 = 132,711.49/x
  3. Step 3: Cross multiply
    267,742.45x = 401,400.55 × 132,711.49
  4. Step 4: Simplify right side
    267,742.45x = 53,270,465,077.32
  5. Step 5: Solve for x
    x = 53,270,465,077.32/267,742.45
  6. Step 6: Final answer
    x = 198,961.60

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