Home / 204,335.06-306,104.07-115,319.30

Finding the Fourth Proportional to 204,335.06, 306,104.07 and 115,319.30

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Solution

The fourth proportional to 204,335.06, 306,104.07 and 115,319.30 is: 172,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,335.06 : 306,104.07 = 115,319.30 : x
  2. Step 2: Convert to fraction form
    204,335.06/306,104.07 = 115,319.30/x
  3. Step 3: Cross multiply
    204,335.06x = 306,104.07 × 115,319.30
  4. Step 4: Simplify right side
    204,335.06x = 35,299,707,079.55
  5. Step 5: Solve for x
    x = 35,299,707,079.55/204,335.06
  6. Step 6: Final answer
    x = 172,754.04

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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.