Home / 269,234.40-371,571.12-161,839.20

Finding the Fourth Proportional to 269,234.40, 371,571.12 and 161,839.20

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Solution

The fourth proportional to 269,234.40, 371,571.12 and 161,839.20 is: 223,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,234.40 : 371,571.12 = 161,839.20 : x
  2. Step 2: Convert to fraction form
    269,234.40/371,571.12 = 161,839.20/x
  3. Step 3: Cross multiply
    269,234.40x = 371,571.12 × 161,839.20
  4. Step 4: Simplify right side
    269,234.40x = 60,134,772,803.90
  5. Step 5: Solve for x
    x = 60,134,772,803.90/269,234.40
  6. Step 6: Final answer
    x = 223,354.72

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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.