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Finding the Fourth Proportional to 366,942.10, 550,413.15 and 156,990.10

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Solution

The fourth proportional to 366,942.10, 550,413.15 and 156,990.10 is: 235,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.10 : 550,413.15 = 156,990.10 : x
  2. Step 2: Convert to fraction form
    366,942.10/550,413.15 = 156,990.10/x
  3. Step 3: Cross multiply
    366,942.10x = 550,413.15 × 156,990.10
  4. Step 4: Simplify right side
    366,942.10x = 86,409,415,459.82
  5. Step 5: Solve for x
    x = 86,409,415,459.82/366,942.10
  6. Step 6: Final answer
    x = 235,485.15

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