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Finding the Fourth Proportional to 278,464.54, 384,270.77 and 151,137.40

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Solution

The fourth proportional to 278,464.54, 384,270.77 and 151,137.40 is: 208,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,464.54 : 384,270.77 = 151,137.40 : x
  2. Step 2: Convert to fraction form
    278,464.54/384,270.77 = 151,137.40/x
  3. Step 3: Cross multiply
    278,464.54x = 384,270.77 × 151,137.40
  4. Step 4: Simplify right side
    278,464.54x = 58,077,685,073.80
  5. Step 5: Solve for x
    x = 58,077,685,073.80/278,464.54
  6. Step 6: Final answer
    x = 208,564.02

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