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Finding the Fourth Proportional to 275,095.74, 379,797.75 and 179,761.98

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Solution

The fourth proportional to 275,095.74, 379,797.75 and 179,761.98 is: 248,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,095.74 : 379,797.75 = 179,761.98 : x
  2. Step 2: Convert to fraction form
    275,095.74/379,797.75 = 179,761.98/x
  3. Step 3: Cross multiply
    275,095.74x = 379,797.75 × 179,761.98
  4. Step 4: Simplify right side
    275,095.74x = 68,273,195,539.55
  5. Step 5: Solve for x
    x = 68,273,195,539.55/275,095.74
  6. Step 6: Final answer
    x = 248,179.76

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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.