Home / 422,727.08-633,757.10-209,568.38

Finding the Fourth Proportional to 422,727.08, 633,757.10 and 209,568.38

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Solution

The fourth proportional to 422,727.08, 633,757.10 and 209,568.38 is: 314,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,727.08 : 633,757.10 = 209,568.38 : x
  2. Step 2: Convert to fraction form
    422,727.08/633,757.10 = 209,568.38/x
  3. Step 3: Cross multiply
    422,727.08x = 633,757.10 × 209,568.38
  4. Step 4: Simplify right side
    422,727.08x = 132,815,448,760.50
  5. Step 5: Solve for x
    x = 132,815,448,760.50/422,727.08
  6. Step 6: Final answer
    x = 314,187.23

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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.