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Finding the Fourth Proportional to 159,255.32, 238,832.28 and 52,619.48

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Solution

The fourth proportional to 159,255.32, 238,832.28 and 52,619.48 is: 78,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,255.32 : 238,832.28 = 52,619.48 : x
  2. Step 2: Convert to fraction form
    159,255.32/238,832.28 = 52,619.48/x
  3. Step 3: Cross multiply
    159,255.32x = 238,832.28 × 52,619.48
  4. Step 4: Simplify right side
    159,255.32x = 12,567,230,380.81
  5. Step 5: Solve for x
    x = 12,567,230,380.81/159,255.32
  6. Step 6: Final answer
    x = 78,912.47

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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.