Home / 252,540.45-378,351.27-147,039.57

Finding the Fourth Proportional to 252,540.45, 378,351.27 and 147,039.57

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Solution

The fourth proportional to 252,540.45, 378,351.27 and 147,039.57 is: 220,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,540.45 : 378,351.27 = 147,039.57 : x
  2. Step 2: Convert to fraction form
    252,540.45/378,351.27 = 147,039.57/x
  3. Step 3: Cross multiply
    252,540.45x = 378,351.27 × 147,039.57
  4. Step 4: Simplify right side
    252,540.45x = 55,632,608,049.75
  5. Step 5: Solve for x
    x = 55,632,608,049.75/252,540.45
  6. Step 6: Final answer
    x = 220,291.87

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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.