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Finding the Fourth Proportional to 236,413.60, 354,620.40 and 111,997.60

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Solution

The fourth proportional to 236,413.60, 354,620.40 and 111,997.60 is: 167,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,413.60 : 354,620.40 = 111,997.60 : x
  2. Step 2: Convert to fraction form
    236,413.60/354,620.40 = 111,997.60/x
  3. Step 3: Cross multiply
    236,413.60x = 354,620.40 × 111,997.60
  4. Step 4: Simplify right side
    236,413.60x = 39,716,633,711.04
  5. Step 5: Solve for x
    x = 39,716,633,711.04/236,413.60
  6. Step 6: Final answer
    x = 167,996.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.