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Finding the Fourth Proportional to 267,293.52, 368,725.10 and 165,286.44

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Solution

The fourth proportional to 267,293.52, 368,725.10 and 165,286.44 is: 228,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,293.52 : 368,725.10 = 165,286.44 : x
  2. Step 2: Convert to fraction form
    267,293.52/368,725.10 = 165,286.44/x
  3. Step 3: Cross multiply
    267,293.52x = 368,725.10 × 165,286.44
  4. Step 4: Simplify right side
    267,293.52x = 60,945,258,291.21
  5. Step 5: Solve for x
    x = 60,945,258,291.21/267,293.52
  6. Step 6: Final answer
    x = 228,008.74

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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.