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Finding the Fourth Proportional to 216,001.48, 324,049.56 and 66,253

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Solution

The fourth proportional to 216,001.48, 324,049.56 and 66,253 is: 99,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,001.48 : 324,049.56 = 66,253 : x
  2. Step 2: Convert to fraction form
    216,001.48/324,049.56 = 66,253/x
  3. Step 3: Cross multiply
    216,001.48x = 324,049.56 × 66,253
  4. Step 4: Simplify right side
    216,001.48x = 21,469,255,498.68
  5. Step 5: Solve for x
    x = 21,469,255,498.68/216,001.48
  6. Step 6: Final answer
    x = 99,394.02

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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.