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Finding the Fourth Proportional to 208,270.22, 287,413.05 and 112,776.99

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Solution

The fourth proportional to 208,270.22, 287,413.05 and 112,776.99 is: 155,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,270.22 : 287,413.05 = 112,776.99 : x
  2. Step 2: Convert to fraction form
    208,270.22/287,413.05 = 112,776.99/x
  3. Step 3: Cross multiply
    208,270.22x = 287,413.05 × 112,776.99
  4. Step 4: Simplify right side
    208,270.22x = 32,413,578,665.72
  5. Step 5: Solve for x
    x = 32,413,578,665.72/208,270.22
  6. Step 6: Final answer
    x = 155,632.33

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