Home / 397,629.20-596,314.20-148,278.80

Finding the Fourth Proportional to 397,629.20, 596,314.20 and 148,278.80

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Solution

The fourth proportional to 397,629.20, 596,314.20 and 148,278.80 is: 222,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,629.20 : 596,314.20 = 148,278.80 : x
  2. Step 2: Convert to fraction form
    397,629.20/596,314.20 = 148,278.80/x
  3. Step 3: Cross multiply
    397,629.20x = 596,314.20 × 148,278.80
  4. Step 4: Simplify right side
    397,629.20x = 88,420,753,998.96
  5. Step 5: Solve for x
    x = 88,420,753,998.96/397,629.20
  6. Step 6: Final answer
    x = 222,369.87

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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.