Home / 331,227.76-496,849.80-120,865.63

Finding the Fourth Proportional to 331,227.76, 496,849.80 and 120,865.63

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Solution

The fourth proportional to 331,227.76, 496,849.80 and 120,865.63 is: 181,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,227.76 : 496,849.80 = 120,865.63 : x
  2. Step 2: Convert to fraction form
    331,227.76/496,849.80 = 120,865.63/x
  3. Step 3: Cross multiply
    331,227.76x = 496,849.80 × 120,865.63
  4. Step 4: Simplify right side
    331,227.76x = 60,052,061,608.13
  5. Step 5: Solve for x
    x = 60,052,061,608.13/331,227.76
  6. Step 6: Final answer
    x = 181,301.42

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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.