Home / 672,125.20-1,008,187.82-198,773.70

Finding the Fourth Proportional to 672,125.20, 1,008,187.82 and 198,773.70

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Solution

The fourth proportional to 672,125.20, 1,008,187.82 and 198,773.70 is: 298,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,125.20 : 1,008,187.82 = 198,773.70 : x
  2. Step 2: Convert to fraction form
    672,125.20/1,008,187.82 = 198,773.70/x
  3. Step 3: Cross multiply
    672,125.20x = 1,008,187.82 × 198,773.70
  4. Step 4: Simplify right side
    672,125.20x = 200,401,223,276.33
  5. Step 5: Solve for x
    x = 200,401,223,276.33/672,125.20
  6. Step 6: Final answer
    x = 298,160.56

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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.