Home / 331,940.67-497,910.62-132,401.19

Finding the Fourth Proportional to 331,940.67, 497,910.62 and 132,401.19

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Solution

The fourth proportional to 331,940.67, 497,910.62 and 132,401.19 is: 198,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,940.67 : 497,910.62 = 132,401.19 : x
  2. Step 2: Convert to fraction form
    331,940.67/497,910.62 = 132,401.19/x
  3. Step 3: Cross multiply
    331,940.67x = 497,910.62 × 132,401.19
  4. Step 4: Simplify right side
    331,940.67x = 65,923,957,939.63
  5. Step 5: Solve for x
    x = 65,923,957,939.63/331,940.67
  6. Step 6: Final answer
    x = 198,601.63

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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.