Home / 275,195.76-379,811.66-167,828.08

Finding the Fourth Proportional to 275,195.76, 379,811.66 and 167,828.08

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Solution

The fourth proportional to 275,195.76, 379,811.66 and 167,828.08 is: 231,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,195.76 : 379,811.66 = 167,828.08 : x
  2. Step 2: Convert to fraction form
    275,195.76/379,811.66 = 167,828.08/x
  3. Step 3: Cross multiply
    275,195.76x = 379,811.66 × 167,828.08
  4. Step 4: Simplify right side
    275,195.76x = 63,743,061,659.41
  5. Step 5: Solve for x
    x = 63,743,061,659.41/275,195.76
  6. Step 6: Final answer
    x = 231,628.07

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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.