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Finding the Fourth Proportional to 366,135.31, 548,211.79 and 259,079.23

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Solution

The fourth proportional to 366,135.31, 548,211.79 and 259,079.23 is: 387,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,135.31 : 548,211.79 = 259,079.23 : x
  2. Step 2: Convert to fraction form
    366,135.31/548,211.79 = 259,079.23/x
  3. Step 3: Cross multiply
    366,135.31x = 548,211.79 × 259,079.23
  4. Step 4: Simplify right side
    366,135.31x = 142,030,288,430.12
  5. Step 5: Solve for x
    x = 142,030,288,430.12/366,135.31
  6. Step 6: Final answer
    x = 387,917.48

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