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Finding the Fourth Proportional to 325,999.67, 488,957.97 and 126,183.35

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Solution

The fourth proportional to 325,999.67, 488,957.97 and 126,183.35 is: 189,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,999.67 : 488,957.97 = 126,183.35 : x
  2. Step 2: Convert to fraction form
    325,999.67/488,957.97 = 126,183.35/x
  3. Step 3: Cross multiply
    325,999.67x = 488,957.97 × 126,183.35
  4. Step 4: Simplify right side
    325,999.67x = 61,698,354,663.80
  5. Step 5: Solve for x
    x = 61,698,354,663.80/325,999.67
  6. Step 6: Final answer
    x = 189,258.95

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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.