Home / 227,513.28-313,976.88-126,930.72

Finding the Fourth Proportional to 227,513.28, 313,976.88 and 126,930.72

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Solution

The fourth proportional to 227,513.28, 313,976.88 and 126,930.72 is: 175,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,513.28 : 313,976.88 = 126,930.72 : x
  2. Step 2: Convert to fraction form
    227,513.28/313,976.88 = 126,930.72/x
  3. Step 3: Cross multiply
    227,513.28x = 313,976.88 × 126,930.72
  4. Step 4: Simplify right side
    227,513.28x = 39,853,311,441.75
  5. Step 5: Solve for x
    x = 39,853,311,441.75/227,513.28
  6. Step 6: Final answer
    x = 175,169.17

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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.