Home / 327,738.66-491,608.14-91,083.39

Finding the Fourth Proportional to 327,738.66, 491,608.14 and 91,083.39

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Solution

The fourth proportional to 327,738.66, 491,608.14 and 91,083.39 is: 136,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,738.66 : 491,608.14 = 91,083.39 : x
  2. Step 2: Convert to fraction form
    327,738.66/491,608.14 = 91,083.39/x
  3. Step 3: Cross multiply
    327,738.66x = 491,608.14 × 91,083.39
  4. Step 4: Simplify right side
    327,738.66x = 44,777,333,757.70
  5. Step 5: Solve for x
    x = 44,777,333,757.70/327,738.66
  6. Step 6: Final answer
    x = 136,625.12

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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.