Home / 327,559.32-491,338.96-90,902.08

Finding the Fourth Proportional to 327,559.32, 491,338.96 and 90,902.08

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Solution

The fourth proportional to 327,559.32, 491,338.96 and 90,902.08 is: 136,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,559.32 : 491,338.96 = 90,902.08 : x
  2. Step 2: Convert to fraction form
    327,559.32/491,338.96 = 90,902.08/x
  3. Step 3: Cross multiply
    327,559.32x = 491,338.96 × 90,902.08
  4. Step 4: Simplify right side
    327,559.32x = 44,663,733,449.04
  5. Step 5: Solve for x
    x = 44,663,733,449.04/327,559.32
  6. Step 6: Final answer
    x = 136,353.11

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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.