Home / 672,114.96-1,008,172.41-198,763.44

Finding the Fourth Proportional to 672,114.96, 1,008,172.41 and 198,763.44

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Solution

The fourth proportional to 672,114.96, 1,008,172.41 and 198,763.44 is: 298,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,114.96 : 1,008,172.41 = 198,763.44 : x
  2. Step 2: Convert to fraction form
    672,114.96/1,008,172.41 = 198,763.44/x
  3. Step 3: Cross multiply
    672,114.96x = 1,008,172.41 × 198,763.44
  4. Step 4: Simplify right side
    672,114.96x = 200,387,816,324.69
  5. Step 5: Solve for x
    x = 200,387,816,324.69/672,114.96
  6. Step 6: Final answer
    x = 298,145.15

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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.