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Finding the Fourth Proportional to 363,013.26, 500,964.21 and 199,676.22

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Solution

The fourth proportional to 363,013.26, 500,964.21 and 199,676.22 is: 275,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,013.26 : 500,964.21 = 199,676.22 : x
  2. Step 2: Convert to fraction form
    363,013.26/500,964.21 = 199,676.22/x
  3. Step 3: Cross multiply
    363,013.26x = 500,964.21 × 199,676.22
  4. Step 4: Simplify right side
    363,013.26x = 100,030,639,808.09
  5. Step 5: Solve for x
    x = 100,030,639,808.09/363,013.26
  6. Step 6: Final answer
    x = 275,556.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.