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Finding the Fourth Proportional to 325,413.20, 488,119.80 and 236,248.40

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Solution

The fourth proportional to 325,413.20, 488,119.80 and 236,248.40 is: 354,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,413.20 : 488,119.80 = 236,248.40 : x
  2. Step 2: Convert to fraction form
    325,413.20/488,119.80 = 236,248.40/x
  3. Step 3: Cross multiply
    325,413.20x = 488,119.80 × 236,248.40
  4. Step 4: Simplify right side
    325,413.20x = 115,317,521,758.32
  5. Step 5: Solve for x
    x = 115,317,521,758.32/325,413.20
  6. Step 6: Final answer
    x = 354,372.60

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