Home / 204,628.80-306,991.38-64,387.38

Finding the Fourth Proportional to 204,628.80, 306,991.38 and 64,387.38

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Solution

The fourth proportional to 204,628.80, 306,991.38 and 64,387.38 is: 96,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,628.80 : 306,991.38 = 64,387.38 : x
  2. Step 2: Convert to fraction form
    204,628.80/306,991.38 = 64,387.38/x
  3. Step 3: Cross multiply
    204,628.80x = 306,991.38 × 64,387.38
  4. Step 4: Simplify right side
    204,628.80x = 19,766,370,640.78
  5. Step 5: Solve for x
    x = 19,766,370,640.78/204,628.80
  6. Step 6: Final answer
    x = 96,596.23

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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.