Home / 672,135.56-1,008,350.97-198,784.02

Finding the Fourth Proportional to 672,135.56, 1,008,350.97 and 198,784.02

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Solution

The fourth proportional to 672,135.56, 1,008,350.97 and 198,784.02 is: 298,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,135.56 : 1,008,350.97 = 198,784.02 : x
  2. Step 2: Convert to fraction form
    672,135.56/1,008,350.97 = 198,784.02/x
  3. Step 3: Cross multiply
    672,135.56x = 1,008,350.97 × 198,784.02
  4. Step 4: Simplify right side
    672,135.56x = 200,444,053,351.83
  5. Step 5: Solve for x
    x = 200,444,053,351.83/672,135.56
  6. Step 6: Final answer
    x = 298,219.68

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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.