Home / 204,288.64-306,046.60-115,605.80

Finding the Fourth Proportional to 204,288.64, 306,046.60 and 115,605.80

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Solution

The fourth proportional to 204,288.64, 306,046.60 and 115,605.80 is: 173,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,288.64 : 306,046.60 = 115,605.80 : x
  2. Step 2: Convert to fraction form
    204,288.64/306,046.60 = 115,605.80/x
  3. Step 3: Cross multiply
    204,288.64x = 306,046.60 × 115,605.80
  4. Step 4: Simplify right side
    204,288.64x = 35,380,762,030.28
  5. Step 5: Solve for x
    x = 35,380,762,030.28/204,288.64
  6. Step 6: Final answer
    x = 173,190.06

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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.