Home / 227,229.36-313,578.72-125,258.76

Finding the Fourth Proportional to 227,229.36, 313,578.72 and 125,258.76

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Solution

The fourth proportional to 227,229.36, 313,578.72 and 125,258.76 is: 172,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,229.36 : 313,578.72 = 125,258.76 : x
  2. Step 2: Convert to fraction form
    227,229.36/313,578.72 = 125,258.76/x
  3. Step 3: Cross multiply
    227,229.36x = 313,578.72 × 125,258.76
  4. Step 4: Simplify right side
    227,229.36x = 39,278,481,629.59
  5. Step 5: Solve for x
    x = 39,278,481,629.59/227,229.36
  6. Step 6: Final answer
    x = 172,858.30

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Half scale
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Double scale
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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.