Home / 228,221.28-314,921.16-126,230.52

Finding the Fourth Proportional to 228,221.28, 314,921.16 and 126,230.52

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Solution

The fourth proportional to 228,221.28, 314,921.16 and 126,230.52 is: 174,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,221.28 : 314,921.16 = 126,230.52 : x
  2. Step 2: Convert to fraction form
    228,221.28/314,921.16 = 126,230.52/x
  3. Step 3: Cross multiply
    228,221.28x = 314,921.16 × 126,230.52
  4. Step 4: Simplify right side
    228,221.28x = 39,752,661,785.80
  5. Step 5: Solve for x
    x = 39,752,661,785.80/228,221.28
  6. Step 6: Final answer
    x = 174,184.73

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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.