Home / 327,135.52-451,789.72-225,425.44

Finding the Fourth Proportional to 327,135.52, 451,789.72 and 225,425.44

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Solution

The fourth proportional to 327,135.52, 451,789.72 and 225,425.44 is: 311,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,135.52 : 451,789.72 = 225,425.44 : x
  2. Step 2: Convert to fraction form
    327,135.52/451,789.72 = 225,425.44/x
  3. Step 3: Cross multiply
    327,135.52x = 451,789.72 × 225,425.44
  4. Step 4: Simplify right side
    327,135.52x = 101,844,896,418.48
  5. Step 5: Solve for x
    x = 101,844,896,418.48/327,135.52
  6. Step 6: Final answer
    x = 311,323.26

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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.