Home / 331,481.20-497,286.60-141,941.20

Finding the Fourth Proportional to 331,481.20, 497,286.60 and 141,941.20

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Solution

The fourth proportional to 331,481.20, 497,286.60 and 141,941.20 is: 212,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,481.20 : 497,286.60 = 141,941.20 : x
  2. Step 2: Convert to fraction form
    331,481.20/497,286.60 = 141,941.20/x
  3. Step 3: Cross multiply
    331,481.20x = 497,286.60 × 141,941.20
  4. Step 4: Simplify right side
    331,481.20x = 70,585,456,747.92
  5. Step 5: Solve for x
    x = 70,585,456,747.92/331,481.20
  6. Step 6: Final answer
    x = 212,939.55

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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.