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Finding the Fourth Proportional to 542,822.80, 814,234.20 and 227,635.60

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Solution

The fourth proportional to 542,822.80, 814,234.20 and 227,635.60 is: 341,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,822.80 : 814,234.20 = 227,635.60 : x
  2. Step 2: Convert to fraction form
    542,822.80/814,234.20 = 227,635.60/x
  3. Step 3: Cross multiply
    542,822.80x = 814,234.20 × 227,635.60
  4. Step 4: Simplify right side
    542,822.80x = 185,348,690,657.52
  5. Step 5: Solve for x
    x = 185,348,690,657.52/542,822.80
  6. Step 6: Final answer
    x = 341,453.40

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Similar ratio
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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.