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Finding the Fourth Proportional to 227,550.87, 341,535.94 and 115,310.61

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Solution

The fourth proportional to 227,550.87, 341,535.94 and 115,310.61 is: 173,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,550.87 : 341,535.94 = 115,310.61 : x
  2. Step 2: Convert to fraction form
    227,550.87/341,535.94 = 115,310.61/x
  3. Step 3: Cross multiply
    227,550.87x = 341,535.94 × 115,310.61
  4. Step 4: Simplify right side
    227,550.87x = 39,382,717,290.05
  5. Step 5: Solve for x
    x = 39,382,717,290.05/227,550.87
  6. Step 6: Final answer
    x = 173,072.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.