Home / 339,315.09-468,149.79-196,022.85

Finding the Fourth Proportional to 339,315.09, 468,149.79 and 196,022.85

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Solution

The fourth proportional to 339,315.09, 468,149.79 and 196,022.85 is: 270,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,315.09 : 468,149.79 = 196,022.85 : x
  2. Step 2: Convert to fraction form
    339,315.09/468,149.79 = 196,022.85/x
  3. Step 3: Cross multiply
    339,315.09x = 468,149.79 × 196,022.85
  4. Step 4: Simplify right side
    339,315.09x = 91,768,056,062.70
  5. Step 5: Solve for x
    x = 91,768,056,062.70/339,315.09
  6. Step 6: Final answer
    x = 270,450.85

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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.