Home / 274,914.18-412,221.15-82,760.58

Finding the Fourth Proportional to 274,914.18, 412,221.15 and 82,760.58

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Solution

The fourth proportional to 274,914.18, 412,221.15 and 82,760.58 is: 124,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,914.18 : 412,221.15 = 82,760.58 : x
  2. Step 2: Convert to fraction form
    274,914.18/412,221.15 = 82,760.58/x
  3. Step 3: Cross multiply
    274,914.18x = 412,221.15 × 82,760.58
  4. Step 4: Simplify right side
    274,914.18x = 34,115,661,462.27
  5. Step 5: Solve for x
    x = 34,115,661,462.27/274,914.18
  6. Step 6: Final answer
    x = 124,095.68

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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.