Home / 263,079.27-394,496.21-136,685.52

Finding the Fourth Proportional to 263,079.27, 394,496.21 and 136,685.52

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Solution

The fourth proportional to 263,079.27, 394,496.21 and 136,685.52 is: 204,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,079.27 : 394,496.21 = 136,685.52 : x
  2. Step 2: Convert to fraction form
    263,079.27/394,496.21 = 136,685.52/x
  3. Step 3: Cross multiply
    263,079.27x = 394,496.21 × 136,685.52
  4. Step 4: Simplify right side
    263,079.27x = 53,921,918,918.45
  5. Step 5: Solve for x
    x = 53,921,918,918.45/263,079.27
  6. Step 6: Final answer
    x = 204,964.53

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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.