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Finding the Fourth Proportional to 278,314.88, 384,074.67 and 150,990.44

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Solution

The fourth proportional to 278,314.88, 384,074.67 and 150,990.44 is: 208,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,314.88 : 384,074.67 = 150,990.44 : x
  2. Step 2: Convert to fraction form
    278,314.88/384,074.67 = 150,990.44/x
  3. Step 3: Cross multiply
    278,314.88x = 384,074.67 × 150,990.44
  4. Step 4: Simplify right side
    278,314.88x = 57,991,603,416.15
  5. Step 5: Solve for x
    x = 57,991,603,416.15/278,314.88
  6. Step 6: Final answer
    x = 208,366.88

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