Home / 274,850.40-379,285.92-161,680.80

Finding the Fourth Proportional to 274,850.40, 379,285.92 and 161,680.80

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Solution

The fourth proportional to 274,850.40, 379,285.92 and 161,680.80 is: 223,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,850.40 : 379,285.92 = 161,680.80 : x
  2. Step 2: Convert to fraction form
    274,850.40/379,285.92 = 161,680.80/x
  3. Step 3: Cross multiply
    274,850.40x = 379,285.92 × 161,680.80
  4. Step 4: Simplify right side
    274,850.40x = 61,323,250,974.34
  5. Step 5: Solve for x
    x = 61,323,250,974.34/274,850.40
  6. Step 6: Final answer
    x = 223,115.01

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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.