Home / 331,835.22-497,752.56-82,517.22

Finding the Fourth Proportional to 331,835.22, 497,752.56 and 82,517.22

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Solution

The fourth proportional to 331,835.22, 497,752.56 and 82,517.22 is: 123,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,835.22 : 497,752.56 = 82,517.22 : x
  2. Step 2: Convert to fraction form
    331,835.22/497,752.56 = 82,517.22/x
  3. Step 3: Cross multiply
    331,835.22x = 497,752.56 × 82,517.22
  4. Step 4: Simplify right side
    331,835.22x = 41,073,157,499.08
  5. Step 5: Solve for x
    x = 41,073,157,499.08/331,835.22
  6. Step 6: Final answer
    x = 123,775.76

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1.5x scale

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.