Home / 327,536.20-491,249.34-90,902.92

Finding the Fourth Proportional to 327,536.20, 491,249.34 and 90,902.92

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Solution

The fourth proportional to 327,536.20, 491,249.34 and 90,902.92 is: 136,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,536.20 : 491,249.34 = 90,902.92 : x
  2. Step 2: Convert to fraction form
    327,536.20/491,249.34 = 90,902.92/x
  3. Step 3: Cross multiply
    327,536.20x = 491,249.34 × 90,902.92
  4. Step 4: Simplify right side
    327,536.20x = 44,655,999,454.07
  5. Step 5: Solve for x
    x = 44,655,999,454.07/327,536.20
  6. Step 6: Final answer
    x = 136,339.13

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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.