Home / 454,940.97-682,516.47-135,085.73

Finding the Fourth Proportional to 454,940.97, 682,516.47 and 135,085.73

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Solution

The fourth proportional to 454,940.97, 682,516.47 and 135,085.73 is: 202,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,940.97 : 682,516.47 = 135,085.73 : x
  2. Step 2: Convert to fraction form
    454,940.97/682,516.47 = 135,085.73/x
  3. Step 3: Cross multiply
    454,940.97x = 682,516.47 × 135,085.73
  4. Step 4: Simplify right side
    454,940.97x = 92,198,235,586.97
  5. Step 5: Solve for x
    x = 92,198,235,586.97/454,940.97
  6. Step 6: Final answer
    x = 202,659.78

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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.