Home / 225,536.28-311,236.29-123,560.79

Finding the Fourth Proportional to 225,536.28, 311,236.29 and 123,560.79

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Solution

The fourth proportional to 225,536.28, 311,236.29 and 123,560.79 is: 170,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,536.28 : 311,236.29 = 123,560.79 : x
  2. Step 2: Convert to fraction form
    225,536.28/311,236.29 = 123,560.79/x
  3. Step 3: Cross multiply
    225,536.28x = 311,236.29 × 123,560.79
  4. Step 4: Simplify right side
    225,536.28x = 38,456,601,869.07
  5. Step 5: Solve for x
    x = 38,456,601,869.07/225,536.28
  6. Step 6: Final answer
    x = 170,511.82

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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.