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Finding the Fourth Proportional to 217,902.60, 326,844.97 and 60,127.02

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Solution

The fourth proportional to 217,902.60, 326,844.97 and 60,127.02 is: 90,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,902.60 : 326,844.97 = 60,127.02 : x
  2. Step 2: Convert to fraction form
    217,902.60/326,844.97 = 60,127.02/x
  3. Step 3: Cross multiply
    217,902.60x = 326,844.97 × 60,127.02
  4. Step 4: Simplify right side
    217,902.60x = 19,652,214,048.09
  5. Step 5: Solve for x
    x = 19,652,214,048.09/217,902.60
  6. Step 6: Final answer
    x = 90,188.07

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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.