Home / 331,020.80-496,651.44-162,523.20

Finding the Fourth Proportional to 331,020.80, 496,651.44 and 162,523.20

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Solution

The fourth proportional to 331,020.80, 496,651.44 and 162,523.20 is: 243,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,020.80 : 496,651.44 = 162,523.20 : x
  2. Step 2: Convert to fraction form
    331,020.80/496,651.44 = 162,523.20/x
  3. Step 3: Cross multiply
    331,020.80x = 496,651.44 × 162,523.20
  4. Step 4: Simplify right side
    331,020.80x = 80,717,381,313.41
  5. Step 5: Solve for x
    x = 80,717,381,313.41/331,020.80
  6. Step 6: Final answer
    x = 243,843.83

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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.