Home / 672,116.45-1,008,174.69-198,764.96

Finding the Fourth Proportional to 672,116.45, 1,008,174.69 and 198,764.96

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Solution

The fourth proportional to 672,116.45, 1,008,174.69 and 198,764.96 is: 298,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,116.45 : 1,008,174.69 = 198,764.96 : x
  2. Step 2: Convert to fraction form
    672,116.45/1,008,174.69 = 198,764.96/x
  3. Step 3: Cross multiply
    672,116.45x = 1,008,174.69 × 198,764.96
  4. Step 4: Simplify right side
    672,116.45x = 200,389,796,889.99
  5. Step 5: Solve for x
    x = 200,389,796,889.99/672,116.45
  6. Step 6: Final answer
    x = 298,147.44

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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.