Home / 225,584.28-311,309.38-123,607.72

Finding the Fourth Proportional to 225,584.28, 311,309.38 and 123,607.72

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Solution

The fourth proportional to 225,584.28, 311,309.38 and 123,607.72 is: 170,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,584.28 : 311,309.38 = 123,607.72 : x
  2. Step 2: Convert to fraction form
    225,584.28/311,309.38 = 123,607.72/x
  3. Step 3: Cross multiply
    225,584.28x = 311,309.38 × 123,607.72
  4. Step 4: Simplify right side
    225,584.28x = 38,480,242,676.41
  5. Step 5: Solve for x
    x = 38,480,242,676.41/225,584.28
  6. Step 6: Final answer
    x = 170,580.34

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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.