Home / 198,911.13-298,372.68-49,151.41

Finding the Fourth Proportional to 198,911.13, 298,372.68 and 49,151.41

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Solution

The fourth proportional to 198,911.13, 298,372.68 and 49,151.41 is: 73,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,911.13 : 298,372.68 = 49,151.41 : x
  2. Step 2: Convert to fraction form
    198,911.13/298,372.68 = 49,151.41/x
  3. Step 3: Cross multiply
    198,911.13x = 298,372.68 × 49,151.41
  4. Step 4: Simplify right side
    198,911.13x = 14,665,437,181.55
  5. Step 5: Solve for x
    x = 14,665,437,181.55/198,911.13
  6. Step 6: Final answer
    x = 73,728.59

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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.