Home / 225,964.69-338,942.77-55,189.15

Finding the Fourth Proportional to 225,964.69, 338,942.77 and 55,189.15

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Solution

The fourth proportional to 225,964.69, 338,942.77 and 55,189.15 is: 82,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,964.69 : 338,942.77 = 55,189.15 : x
  2. Step 2: Convert to fraction form
    225,964.69/338,942.77 = 55,189.15/x
  3. Step 3: Cross multiply
    225,964.69x = 338,942.77 × 55,189.15
  4. Step 4: Simplify right side
    225,964.69x = 18,705,963,374.95
  5. Step 5: Solve for x
    x = 18,705,963,374.95/225,964.69
  6. Step 6: Final answer
    x = 82,782.68

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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.