Home / 274,427.25-378,659.79-158,122.59

Finding the Fourth Proportional to 274,427.25, 378,659.79 and 158,122.59

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Solution

The fourth proportional to 274,427.25, 378,659.79 and 158,122.59 is: 218,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,427.25 : 378,659.79 = 158,122.59 : x
  2. Step 2: Convert to fraction form
    274,427.25/378,659.79 = 158,122.59/x
  3. Step 3: Cross multiply
    274,427.25x = 378,659.79 × 158,122.59
  4. Step 4: Simplify right side
    274,427.25x = 59,874,666,723.66
  5. Step 5: Solve for x
    x = 59,874,666,723.66/274,427.25
  6. Step 6: Final answer
    x = 218,180.47

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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.