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Finding the Fourth Proportional to 226,127.92, 312,040.88 and 125,518

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Solution

The fourth proportional to 226,127.92, 312,040.88 and 125,518 is: 173,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,127.92 : 312,040.88 = 125,518 : x
  2. Step 2: Convert to fraction form
    226,127.92/312,040.88 = 125,518/x
  3. Step 3: Cross multiply
    226,127.92x = 312,040.88 × 125,518
  4. Step 4: Simplify right side
    226,127.92x = 39,166,747,175.84
  5. Step 5: Solve for x
    x = 39,166,747,175.84/226,127.92
  6. Step 6: Final answer
    x = 173,206.15

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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.