Home / 269,782.98-404,674.20-80,242.56

Finding the Fourth Proportional to 269,782.98, 404,674.20 and 80,242.56

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Solution

The fourth proportional to 269,782.98, 404,674.20 and 80,242.56 is: 120,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,782.98 : 404,674.20 = 80,242.56 : x
  2. Step 2: Convert to fraction form
    269,782.98/404,674.20 = 80,242.56/x
  3. Step 3: Cross multiply
    269,782.98x = 404,674.20 × 80,242.56
  4. Step 4: Simplify right side
    269,782.98x = 32,472,093,773.95
  5. Step 5: Solve for x
    x = 32,472,093,773.95/269,782.98
  6. Step 6: Final answer
    x = 120,363.76

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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.