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Finding the Fourth Proportional to 278,946.72, 384,954.84 and 158,088.24

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Solution

The fourth proportional to 278,946.72, 384,954.84 and 158,088.24 is: 218,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,946.72 : 384,954.84 = 158,088.24 : x
  2. Step 2: Convert to fraction form
    278,946.72/384,954.84 = 158,088.24/x
  3. Step 3: Cross multiply
    278,946.72x = 384,954.84 × 158,088.24
  4. Step 4: Simplify right side
    278,946.72x = 60,856,833,135.08
  5. Step 5: Solve for x
    x = 60,856,833,135.08/278,946.72
  6. Step 6: Final answer
    x = 218,166.51

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