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Finding the Fourth Proportional to 234,858.56, 324,100.74 and 142,944.62

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Solution

The fourth proportional to 234,858.56, 324,100.74 and 142,944.62 is: 197,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,858.56 : 324,100.74 = 142,944.62 : x
  2. Step 2: Convert to fraction form
    234,858.56/324,100.74 = 142,944.62/x
  3. Step 3: Cross multiply
    234,858.56x = 324,100.74 × 142,944.62
  4. Step 4: Simplify right side
    234,858.56x = 46,328,457,121.02
  5. Step 5: Solve for x
    x = 46,328,457,121.02/234,858.56
  6. Step 6: Final answer
    x = 197,261.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.