Home / 263,108.28-394,596.72-103,216.80

Finding the Fourth Proportional to 263,108.28, 394,596.72 and 103,216.80

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Solution

The fourth proportional to 263,108.28, 394,596.72 and 103,216.80 is: 154,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,108.28 : 394,596.72 = 103,216.80 : x
  2. Step 2: Convert to fraction form
    263,108.28/394,596.72 = 103,216.80/x
  3. Step 3: Cross multiply
    263,108.28x = 394,596.72 × 103,216.80
  4. Step 4: Simplify right side
    263,108.28x = 40,729,010,728.90
  5. Step 5: Solve for x
    x = 40,729,010,728.90/263,108.28
  6. Step 6: Final answer
    x = 154,799.43

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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.