Home / 327,655.20-491,482.96-90,997.90

Finding the Fourth Proportional to 327,655.20, 491,482.96 and 90,997.90

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Solution

The fourth proportional to 327,655.20, 491,482.96 and 90,997.90 is: 136,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,655.20 : 491,482.96 = 90,997.90 : x
  2. Step 2: Convert to fraction form
    327,655.20/491,482.96 = 90,997.90/x
  3. Step 3: Cross multiply
    327,655.20x = 491,482.96 × 90,997.90
  4. Step 4: Simplify right side
    327,655.20x = 44,723,917,245.78
  5. Step 5: Solve for x
    x = 44,723,917,245.78/327,655.20
  6. Step 6: Final answer
    x = 136,496.89

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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.