Home / 204,999.22-307,564.44-171,640.18

Finding the Fourth Proportional to 204,999.22, 307,564.44 and 171,640.18

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Solution

The fourth proportional to 204,999.22, 307,564.44 and 171,640.18 is: 257,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,999.22 : 307,564.44 = 171,640.18 : x
  2. Step 2: Convert to fraction form
    204,999.22/307,564.44 = 171,640.18/x
  3. Step 3: Cross multiply
    204,999.22x = 307,564.44 × 171,640.18
  4. Step 4: Simplify right side
    204,999.22x = 52,790,415,843.20
  5. Step 5: Solve for x
    x = 52,790,415,843.20/204,999.22
  6. Step 6: Final answer
    x = 257,515.20

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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.