Home / 269,558.12-371,753.88-215,823.53

Finding the Fourth Proportional to 269,558.12, 371,753.88 and 215,823.53

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Solution

The fourth proportional to 269,558.12, 371,753.88 and 215,823.53 is: 297,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,558.12 : 371,753.88 = 215,823.53 : x
  2. Step 2: Convert to fraction form
    269,558.12/371,753.88 = 215,823.53/x
  3. Step 3: Cross multiply
    269,558.12x = 371,753.88 × 215,823.53
  4. Step 4: Simplify right side
    269,558.12x = 80,233,234,672.80
  5. Step 5: Solve for x
    x = 80,233,234,672.80/269,558.12
  6. Step 6: Final answer
    x = 297,647.26

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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.