Home / 672,064.90-1,008,097.35-198,708.10

Finding the Fourth Proportional to 672,064.90, 1,008,097.35 and 198,708.10

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Solution

The fourth proportional to 672,064.90, 1,008,097.35 and 198,708.10 is: 298,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,064.90 : 1,008,097.35 = 198,708.10 : x
  2. Step 2: Convert to fraction form
    672,064.90/1,008,097.35 = 198,708.10/x
  3. Step 3: Cross multiply
    672,064.90x = 1,008,097.35 × 198,708.10
  4. Step 4: Simplify right side
    672,064.90x = 200,317,109,033.54
  5. Step 5: Solve for x
    x = 200,317,109,033.54/672,064.90
  6. Step 6: Final answer
    x = 298,062.15

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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.