Home / 198,379.68-273,578.82-152,984.85

Finding the Fourth Proportional to 198,379.68, 273,578.82 and 152,984.85

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Solution

The fourth proportional to 198,379.68, 273,578.82 and 152,984.85 is: 210,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,379.68 : 273,578.82 = 152,984.85 : x
  2. Step 2: Convert to fraction form
    198,379.68/273,578.82 = 152,984.85/x
  3. Step 3: Cross multiply
    198,379.68x = 273,578.82 × 152,984.85
  4. Step 4: Simplify right side
    198,379.68x = 41,853,413,372.98
  5. Step 5: Solve for x
    x = 41,853,413,372.98/198,379.68
  6. Step 6: Final answer
    x = 210,976.32

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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.