Home / 324,105.20-486,096.24-137,247.92

Finding the Fourth Proportional to 324,105.20, 486,096.24 and 137,247.92

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Solution

The fourth proportional to 324,105.20, 486,096.24 and 137,247.92 is: 205,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,105.20 : 486,096.24 = 137,247.92 : x
  2. Step 2: Convert to fraction form
    324,105.20/486,096.24 = 137,247.92/x
  3. Step 3: Cross multiply
    324,105.20x = 486,096.24 × 137,247.92
  4. Step 4: Simplify right side
    324,105.20x = 66,715,697,859.82
  5. Step 5: Solve for x
    x = 66,715,697,859.82/324,105.20
  6. Step 6: Final answer
    x = 205,845.81

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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.