Home / 331,727.40-496,861.74-274,148.73

Finding the Fourth Proportional to 331,727.40, 496,861.74 and 274,148.73

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Solution

The fourth proportional to 331,727.40, 496,861.74 and 274,148.73 is: 410,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,727.40 : 496,861.74 = 274,148.73 : x
  2. Step 2: Convert to fraction form
    331,727.40/496,861.74 = 274,148.73/x
  3. Step 3: Cross multiply
    331,727.40x = 496,861.74 × 274,148.73
  4. Step 4: Simplify right side
    331,727.40x = 136,214,015,006.59
  5. Step 5: Solve for x
    x = 136,214,015,006.59/331,727.40
  6. Step 6: Final answer
    x = 410,620.33

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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.