Home / 275,232.01-379,789.80-154,348.42

Finding the Fourth Proportional to 275,232.01, 379,789.80 and 154,348.42

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Solution

The fourth proportional to 275,232.01, 379,789.80 and 154,348.42 is: 212,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,232.01 : 379,789.80 = 154,348.42 : x
  2. Step 2: Convert to fraction form
    275,232.01/379,789.80 = 154,348.42/x
  3. Step 3: Cross multiply
    275,232.01x = 379,789.80 × 154,348.42
  4. Step 4: Simplify right side
    275,232.01x = 58,619,955,562.12
  5. Step 5: Solve for x
    x = 58,619,955,562.12/275,232.01
  6. Step 6: Final answer
    x = 212,983.79

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1.5x scale

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.