Home / 263,517.48-394,862.31-203,692.50

Finding the Fourth Proportional to 263,517.48, 394,862.31 and 203,692.50

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Solution

The fourth proportional to 263,517.48, 394,862.31 and 203,692.50 is: 305,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,517.48 : 394,862.31 = 203,692.50 : x
  2. Step 2: Convert to fraction form
    263,517.48/394,862.31 = 203,692.50/x
  3. Step 3: Cross multiply
    263,517.48x = 394,862.31 × 203,692.50
  4. Step 4: Simplify right side
    263,517.48x = 80,430,491,079.68
  5. Step 5: Solve for x
    x = 80,430,491,079.68/263,517.48
  6. Step 6: Final answer
    x = 305,218.81

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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.