Home / 327,549.05-491,323.59-90,891.82

Finding the Fourth Proportional to 327,549.05, 491,323.59 and 90,891.82

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Solution

The fourth proportional to 327,549.05, 491,323.59 and 90,891.82 is: 136,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,549.05 : 491,323.59 = 90,891.82 : x
  2. Step 2: Convert to fraction form
    327,549.05/491,323.59 = 90,891.82/x
  3. Step 3: Cross multiply
    327,549.05x = 491,323.59 × 90,891.82
  4. Step 4: Simplify right side
    327,549.05x = 44,657,292,847.42
  5. Step 5: Solve for x
    x = 44,657,292,847.42/327,549.05
  6. Step 6: Final answer
    x = 136,337.73

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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.