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Finding the Fourth Proportional to 275,151.56, 379,790.26 and 179,673.16

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Solution

The fourth proportional to 275,151.56, 379,790.26 and 179,673.16 is: 248,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,151.56 : 379,790.26 = 179,673.16 : x
  2. Step 2: Convert to fraction form
    275,151.56/379,790.26 = 179,673.16/x
  3. Step 3: Cross multiply
    275,151.56x = 379,790.26 × 179,673.16
  4. Step 4: Simplify right side
    275,151.56x = 68,238,116,151.42
  5. Step 5: Solve for x
    x = 68,238,116,151.42/275,151.56
  6. Step 6: Final answer
    x = 248,001.92

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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.