Home / 198,898.24-298,348.17-80,571.82

Finding the Fourth Proportional to 198,898.24, 298,348.17 and 80,571.82

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Solution

The fourth proportional to 198,898.24, 298,348.17 and 80,571.82 is: 120,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,898.24 : 298,348.17 = 80,571.82 : x
  2. Step 2: Convert to fraction form
    198,898.24/298,348.17 = 80,571.82/x
  3. Step 3: Cross multiply
    198,898.24x = 298,348.17 × 80,571.82
  4. Step 4: Simplify right side
    198,898.24x = 24,038,453,155.97
  5. Step 5: Solve for x
    x = 24,038,453,155.97/198,898.24
  6. Step 6: Final answer
    x = 120,858.05

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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.