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Finding the Fourth Proportional to 198,293.27, 297,735.11 and 80,195.27

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Solution

The fourth proportional to 198,293.27, 297,735.11 and 80,195.27 is: 120,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,293.27 : 297,735.11 = 80,195.27 : x
  2. Step 2: Convert to fraction form
    198,293.27/297,735.11 = 80,195.27/x
  3. Step 3: Cross multiply
    198,293.27x = 297,735.11 × 80,195.27
  4. Step 4: Simplify right side
    198,293.27x = 23,876,947,133.95
  5. Step 5: Solve for x
    x = 23,876,947,133.95/198,293.27
  6. Step 6: Final answer
    x = 120,412.29

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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.