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Finding the Fourth Proportional to 267,863.60, 369,627.27 and 158,949.11

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Solution

The fourth proportional to 267,863.60, 369,627.27 and 158,949.11 is: 219,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,863.60 : 369,627.27 = 158,949.11 : x
  2. Step 2: Convert to fraction form
    267,863.60/369,627.27 = 158,949.11/x
  3. Step 3: Cross multiply
    267,863.60x = 369,627.27 × 158,949.11
  4. Step 4: Simplify right side
    267,863.60x = 58,751,923,750.09
  5. Step 5: Solve for x
    x = 58,751,923,750.09/267,863.60
  6. Step 6: Final answer
    x = 219,335.23

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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.