Home / 199,367.28-298,976.40-80,998.74

Finding the Fourth Proportional to 199,367.28, 298,976.40 and 80,998.74

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Solution

The fourth proportional to 199,367.28, 298,976.40 and 80,998.74 is: 121,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,367.28 : 298,976.40 = 80,998.74 : x
  2. Step 2: Convert to fraction form
    199,367.28/298,976.40 = 80,998.74/x
  3. Step 3: Cross multiply
    199,367.28x = 298,976.40 × 80,998.74
  4. Step 4: Simplify right side
    199,367.28x = 24,216,711,689.74
  5. Step 5: Solve for x
    x = 24,216,711,689.74/199,367.28
  6. Step 6: Final answer
    x = 121,467.83

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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.