Home / 451,008.24-674,945.82-280,159.80

Finding the Fourth Proportional to 451,008.24, 674,945.82 and 280,159.80

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Solution

The fourth proportional to 451,008.24, 674,945.82 and 280,159.80 is: 419,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,008.24 : 674,945.82 = 280,159.80 : x
  2. Step 2: Convert to fraction form
    451,008.24/674,945.82 = 280,159.80/x
  3. Step 3: Cross multiply
    451,008.24x = 674,945.82 × 280,159.80
  4. Step 4: Simplify right side
    451,008.24x = 189,092,685,942.04
  5. Step 5: Solve for x
    x = 189,092,685,942.04/451,008.24
  6. Step 6: Final answer
    x = 419,266.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.