Home / 263,883.50-396,034.22-137,559.96

Finding the Fourth Proportional to 263,883.50, 396,034.22 and 137,559.96

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Solution

The fourth proportional to 263,883.50, 396,034.22 and 137,559.96 is: 206,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,883.50 : 396,034.22 = 137,559.96 : x
  2. Step 2: Convert to fraction form
    263,883.50/396,034.22 = 137,559.96/x
  3. Step 3: Cross multiply
    263,883.50x = 396,034.22 × 137,559.96
  4. Step 4: Simplify right side
    263,883.50x = 54,478,451,461.83
  5. Step 5: Solve for x
    x = 54,478,451,461.83/263,883.50
  6. Step 6: Final answer
    x = 206,448.87

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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.