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Finding the Fourth Proportional to 218,532.32, 327,954 and 168,662.24

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Solution

The fourth proportional to 218,532.32, 327,954 and 168,662.24 is: 253,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,532.32 : 327,954 = 168,662.24 : x
  2. Step 2: Convert to fraction form
    218,532.32/327,954 = 168,662.24/x
  3. Step 3: Cross multiply
    218,532.32x = 327,954 × 168,662.24
  4. Step 4: Simplify right side
    218,532.32x = 55,313,456,256.96
  5. Step 5: Solve for x
    x = 55,313,456,256.96/218,532.32
  6. Step 6: Final answer
    x = 253,113.39

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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.