Home / 327,447.64-451,635.96-225,505.48

Finding the Fourth Proportional to 327,447.64, 451,635.96 and 225,505.48

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Solution

The fourth proportional to 327,447.64, 451,635.96 and 225,505.48 is: 311,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,447.64 : 451,635.96 = 225,505.48 : x
  2. Step 2: Convert to fraction form
    327,447.64/451,635.96 = 225,505.48/x
  3. Step 3: Cross multiply
    327,447.64x = 451,635.96 × 225,505.48
  4. Step 4: Simplify right side
    327,447.64x = 101,846,383,945.06
  5. Step 5: Solve for x
    x = 101,846,383,945.06/327,447.64
  6. Step 6: Final answer
    x = 311,031.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.