Home / 327,891.43-491,854.70-103,269.37

Finding the Fourth Proportional to 327,891.43, 491,854.70 and 103,269.37

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Solution

The fourth proportional to 327,891.43, 491,854.70 and 103,269.37 is: 154,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,891.43 : 491,854.70 = 103,269.37 : x
  2. Step 2: Convert to fraction form
    327,891.43/491,854.70 = 103,269.37/x
  3. Step 3: Cross multiply
    327,891.43x = 491,854.70 × 103,269.37
  4. Step 4: Simplify right side
    327,891.43x = 50,793,524,484.19
  5. Step 5: Solve for x
    x = 50,793,524,484.19/327,891.43
  6. Step 6: Final answer
    x = 154,909.58

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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.