Home / 324,629.20-486,713.40-124,872.40

Finding the Fourth Proportional to 324,629.20, 486,713.40 and 124,872.40

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Solution

The fourth proportional to 324,629.20, 486,713.40 and 124,872.40 is: 187,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,629.20 : 486,713.40 = 124,872.40 : x
  2. Step 2: Convert to fraction form
    324,629.20/486,713.40 = 124,872.40/x
  3. Step 3: Cross multiply
    324,629.20x = 486,713.40 × 124,872.40
  4. Step 4: Simplify right side
    324,629.20x = 60,777,070,370.16
  5. Step 5: Solve for x
    x = 60,777,070,370.16/324,629.20
  6. Step 6: Final answer
    x = 187,219.97

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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.