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Finding the Fourth Proportional to 192,232.68, 288,452.43 and 79,990.38

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Solution

The fourth proportional to 192,232.68, 288,452.43 and 79,990.38 is: 120,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,232.68 : 288,452.43 = 79,990.38 : x
  2. Step 2: Convert to fraction form
    192,232.68/288,452.43 = 79,990.38/x
  3. Step 3: Cross multiply
    192,232.68x = 288,452.43 × 79,990.38
  4. Step 4: Simplify right side
    192,232.68x = 23,073,419,487.62
  5. Step 5: Solve for x
    x = 23,073,419,487.62/192,232.68
  6. Step 6: Final answer
    x = 120,028.60

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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.