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Finding the Fourth Proportional to 278,847.01, 384,777.64 and 157,962.41

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Solution

The fourth proportional to 278,847.01, 384,777.64 and 157,962.41 is: 217,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,847.01 : 384,777.64 = 157,962.41 : x
  2. Step 2: Convert to fraction form
    278,847.01/384,777.64 = 157,962.41/x
  3. Step 3: Cross multiply
    278,847.01x = 384,777.64 × 157,962.41
  4. Step 4: Simplify right side
    278,847.01x = 60,780,400,614.81
  5. Step 5: Solve for x
    x = 60,780,400,614.81/278,847.01
  6. Step 6: Final answer
    x = 217,970.43

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