Home / 205,514.20-308,732.10-199,984.60

Finding the Fourth Proportional to 205,514.20, 308,732.10 and 199,984.60

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Solution

The fourth proportional to 205,514.20, 308,732.10 and 199,984.60 is: 300,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,514.20 : 308,732.10 = 199,984.60 : x
  2. Step 2: Convert to fraction form
    205,514.20/308,732.10 = 199,984.60/x
  3. Step 3: Cross multiply
    205,514.20x = 308,732.10 × 199,984.60
  4. Step 4: Simplify right side
    205,514.20x = 61,741,665,525.66
  5. Step 5: Solve for x
    x = 61,741,665,525.66/205,514.20
  6. Step 6: Final answer
    x = 300,425.30

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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.