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Finding the Fourth Proportional to 178,319.40, 267,630.30 and 73,213.80

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Solution

The fourth proportional to 178,319.40, 267,630.30 and 73,213.80 is: 109,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,319.40 : 267,630.30 = 73,213.80 : x
  2. Step 2: Convert to fraction form
    178,319.40/267,630.30 = 73,213.80/x
  3. Step 3: Cross multiply
    178,319.40x = 267,630.30 × 73,213.80
  4. Step 4: Simplify right side
    178,319.40x = 19,594,231,258.14
  5. Step 5: Solve for x
    x = 19,594,231,258.14/178,319.40
  6. Step 6: Final answer
    x = 109,882.78

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1.5x scale

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.