Home / 205,080.36-307,589.82-170,243.88

Finding the Fourth Proportional to 205,080.36, 307,589.82 and 170,243.88

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Solution

The fourth proportional to 205,080.36, 307,589.82 and 170,243.88 is: 255,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,080.36 : 307,589.82 = 170,243.88 : x
  2. Step 2: Convert to fraction form
    205,080.36/307,589.82 = 170,243.88/x
  3. Step 3: Cross multiply
    205,080.36x = 307,589.82 × 170,243.88
  4. Step 4: Simplify right side
    205,080.36x = 52,365,284,405.30
  5. Step 5: Solve for x
    x = 52,365,284,405.30/205,080.36
  6. Step 6: Final answer
    x = 255,340.32

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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.