Home / 275,182.34-412,120.97-218,072.61

Finding the Fourth Proportional to 275,182.34, 412,120.97 and 218,072.61

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Solution

The fourth proportional to 275,182.34, 412,120.97 and 218,072.61 is: 326,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,182.34 : 412,120.97 = 218,072.61 : x
  2. Step 2: Convert to fraction form
    275,182.34/412,120.97 = 218,072.61/x
  3. Step 3: Cross multiply
    275,182.34x = 412,120.97 × 218,072.61
  4. Step 4: Simplify right side
    275,182.34x = 89,872,294,473.27
  5. Step 5: Solve for x
    x = 89,872,294,473.27/275,182.34
  6. Step 6: Final answer
    x = 326,591.80

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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.