Home / 275,391.74-379,826.34-199,196.66

Finding the Fourth Proportional to 275,391.74, 379,826.34 and 199,196.66

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Solution

The fourth proportional to 275,391.74, 379,826.34 and 199,196.66 is: 274,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,391.74 : 379,826.34 = 199,196.66 : x
  2. Step 2: Convert to fraction form
    275,391.74/379,826.34 = 199,196.66/x
  3. Step 3: Cross multiply
    275,391.74x = 379,826.34 × 199,196.66
  4. Step 4: Simplify right side
    275,391.74x = 75,660,138,308.02
  5. Step 5: Solve for x
    x = 75,660,138,308.02/275,391.74
  6. Step 6: Final answer
    x = 274,736.41

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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.