Home / 269,078.09-371,354.02-200,976.96

Finding the Fourth Proportional to 269,078.09, 371,354.02 and 200,976.96

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Solution

The fourth proportional to 269,078.09, 371,354.02 and 200,976.96 is: 277,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,078.09 : 371,354.02 = 200,976.96 : x
  2. Step 2: Convert to fraction form
    269,078.09/371,354.02 = 200,976.96/x
  3. Step 3: Cross multiply
    269,078.09x = 371,354.02 × 200,976.96
  4. Step 4: Simplify right side
    269,078.09x = 74,633,601,520.94
  5. Step 5: Solve for x
    x = 74,633,601,520.94/269,078.09
  6. Step 6: Final answer
    x = 277,367.81

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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.