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Finding the Fourth Proportional to 278,035.74, 416,989.62 and 165,747.60

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Solution

The fourth proportional to 278,035.74, 416,989.62 and 165,747.60 is: 248,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,035.74 : 416,989.62 = 165,747.60 : x
  2. Step 2: Convert to fraction form
    278,035.74/416,989.62 = 165,747.60/x
  3. Step 3: Cross multiply
    278,035.74x = 416,989.62 × 165,747.60
  4. Step 4: Simplify right side
    278,035.74x = 69,115,028,739.91
  5. Step 5: Solve for x
    x = 69,115,028,739.91/278,035.74
  6. Step 6: Final answer
    x = 248,583.25

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