Home / 274,308.67-378,622.02-159,609.43

Finding the Fourth Proportional to 274,308.67, 378,622.02 and 159,609.43

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Solution

The fourth proportional to 274,308.67, 378,622.02 and 159,609.43 is: 220,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,308.67 : 378,622.02 = 159,609.43 : x
  2. Step 2: Convert to fraction form
    274,308.67/378,622.02 = 159,609.43/x
  3. Step 3: Cross multiply
    274,308.67x = 378,622.02 × 159,609.43
  4. Step 4: Simplify right side
    274,308.67x = 60,431,644,797.65
  5. Step 5: Solve for x
    x = 60,431,644,797.65/274,308.67
  6. Step 6: Final answer
    x = 220,305.27

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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.