Home / 646,033.68-968,976.54-172,755.90

Finding the Fourth Proportional to 646,033.68, 968,976.54 and 172,755.90

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Solution

The fourth proportional to 646,033.68, 968,976.54 and 172,755.90 is: 259,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,033.68 : 968,976.54 = 172,755.90 : x
  2. Step 2: Convert to fraction form
    646,033.68/968,976.54 = 172,755.90/x
  3. Step 3: Cross multiply
    646,033.68x = 968,976.54 × 172,755.90
  4. Step 4: Simplify right side
    646,033.68x = 167,396,414,246.59
  5. Step 5: Solve for x
    x = 167,396,414,246.59/646,033.68
  6. Step 6: Final answer
    x = 259,114.07

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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.