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Finding the Fourth Proportional to 366,192.90, 505,178.31 and 221,053.86

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Solution

The fourth proportional to 366,192.90, 505,178.31 and 221,053.86 is: 304,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,192.90 : 505,178.31 = 221,053.86 : x
  2. Step 2: Convert to fraction form
    366,192.90/505,178.31 = 221,053.86/x
  3. Step 3: Cross multiply
    366,192.90x = 505,178.31 × 221,053.86
  4. Step 4: Simplify right side
    366,192.90x = 111,671,615,413.78
  5. Step 5: Solve for x
    x = 111,671,615,413.78/366,192.90
  6. Step 6: Final answer
    x = 304,952.98

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