Home / 240,375.98-331,718.82-131,481.20

Finding the Fourth Proportional to 240,375.98, 331,718.82 and 131,481.20

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Solution

The fourth proportional to 240,375.98, 331,718.82 and 131,481.20 is: 181,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,375.98 : 331,718.82 = 131,481.20 : x
  2. Step 2: Convert to fraction form
    240,375.98/331,718.82 = 131,481.20/x
  3. Step 3: Cross multiply
    240,375.98x = 331,718.82 × 131,481.20
  4. Step 4: Simplify right side
    240,375.98x = 43,614,788,516.18
  5. Step 5: Solve for x
    x = 43,614,788,516.18/240,375.98
  6. Step 6: Final answer
    x = 181,444.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.