Home / 274,194.70-378,381.56-151,691.60

Finding the Fourth Proportional to 274,194.70, 378,381.56 and 151,691.60

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Solution

The fourth proportional to 274,194.70, 378,381.56 and 151,691.60 is: 209,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,194.70 : 378,381.56 = 151,691.60 : x
  2. Step 2: Convert to fraction form
    274,194.70/378,381.56 = 151,691.60/x
  3. Step 3: Cross multiply
    274,194.70x = 378,381.56 × 151,691.60
  4. Step 4: Simplify right side
    274,194.70x = 57,397,304,246.90
  5. Step 5: Solve for x
    x = 57,397,304,246.90/274,194.70
  6. Step 6: Final answer
    x = 209,330.47

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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.