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Finding the Fourth Proportional to 278,295.23, 384,047.52 and 157,433.96

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Solution

The fourth proportional to 278,295.23, 384,047.52 and 157,433.96 is: 217,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,295.23 : 384,047.52 = 157,433.96 : x
  2. Step 2: Convert to fraction form
    278,295.23/384,047.52 = 157,433.96/x
  3. Step 3: Cross multiply
    278,295.23x = 384,047.52 × 157,433.96
  4. Step 4: Simplify right side
    278,295.23x = 60,462,121,901.78
  5. Step 5: Solve for x
    x = 60,462,121,901.78/278,295.23
  6. Step 6: Final answer
    x = 217,258.92

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