Home / 240,619.92-361,584.17-128,379.44

Finding the Fourth Proportional to 240,619.92, 361,584.17 and 128,379.44

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Solution

The fourth proportional to 240,619.92, 361,584.17 and 128,379.44 is: 192,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,619.92 : 361,584.17 = 128,379.44 : x
  2. Step 2: Convert to fraction form
    240,619.92/361,584.17 = 128,379.44/x
  3. Step 3: Cross multiply
    240,619.92x = 361,584.17 × 128,379.44
  4. Step 4: Simplify right side
    240,619.92x = 46,419,970,807.65
  5. Step 5: Solve for x
    x = 46,419,970,807.65/240,619.92
  6. Step 6: Final answer
    x = 192,918.24

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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.