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Finding the Fourth Proportional to 227,479.50, 313,921.71 and 126,877.50

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Solution

The fourth proportional to 227,479.50, 313,921.71 and 126,877.50 is: 175,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,479.50 : 313,921.71 = 126,877.50 : x
  2. Step 2: Convert to fraction form
    227,479.50/313,921.71 = 126,877.50/x
  3. Step 3: Cross multiply
    227,479.50x = 313,921.71 × 126,877.50
  4. Step 4: Simplify right side
    227,479.50x = 39,829,601,760.53
  5. Step 5: Solve for x
    x = 39,829,601,760.53/227,479.50
  6. Step 6: Final answer
    x = 175,090.95

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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.