Home / 275,020.44-379,551.42-154,159.80

Finding the Fourth Proportional to 275,020.44, 379,551.42 and 154,159.80

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Solution

The fourth proportional to 275,020.44, 379,551.42 and 154,159.80 is: 212,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,020.44 : 379,551.42 = 154,159.80 : x
  2. Step 2: Convert to fraction form
    275,020.44/379,551.42 = 154,159.80/x
  3. Step 3: Cross multiply
    275,020.44x = 379,551.42 × 154,159.80
  4. Step 4: Simplify right side
    275,020.44x = 58,511,570,996.92
  5. Step 5: Solve for x
    x = 58,511,570,996.92/275,020.44
  6. Step 6: Final answer
    x = 212,753.54

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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.