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Finding the Fourth Proportional to 275,148.56, 379,786.12 and 179,670.16

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Solution

The fourth proportional to 275,148.56, 379,786.12 and 179,670.16 is: 247,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,148.56 : 379,786.12 = 179,670.16 : x
  2. Step 2: Convert to fraction form
    275,148.56/379,786.12 = 179,670.16/x
  3. Step 3: Cross multiply
    275,148.56x = 379,786.12 × 179,670.16
  4. Step 4: Simplify right side
    275,148.56x = 68,236,232,946.18
  5. Step 5: Solve for x
    x = 68,236,232,946.18/275,148.56
  6. Step 6: Final answer
    x = 247,997.78

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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.