Home / 275,326.30-379,956.14-154,476.33

Finding the Fourth Proportional to 275,326.30, 379,956.14 and 154,476.33

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Solution

The fourth proportional to 275,326.30, 379,956.14 and 154,476.33 is: 213,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,326.30 : 379,956.14 = 154,476.33 : x
  2. Step 2: Convert to fraction form
    275,326.30/379,956.14 = 154,476.33/x
  3. Step 3: Cross multiply
    275,326.30x = 379,956.14 × 154,476.33
  4. Step 4: Simplify right side
    275,326.30x = 58,694,228,168.39
  5. Step 5: Solve for x
    x = 58,694,228,168.39/275,326.30
  6. Step 6: Final answer
    x = 213,180.61

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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.