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Finding the Fourth Proportional to 267,680.52, 402,148.26 and 252,549.72

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Solution

The fourth proportional to 267,680.52, 402,148.26 and 252,549.72 is: 379,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,680.52 : 402,148.26 = 252,549.72 : x
  2. Step 2: Convert to fraction form
    267,680.52/402,148.26 = 252,549.72/x
  3. Step 3: Cross multiply
    267,680.52x = 402,148.26 × 252,549.72
  4. Step 4: Simplify right side
    267,680.52x = 101,562,430,461.49
  5. Step 5: Solve for x
    x = 101,562,430,461.49/267,680.52
  6. Step 6: Final answer
    x = 379,416.59

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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.