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Finding the Fourth Proportional to 325,837.80, 488,756.70 and 115,448.40

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Solution

The fourth proportional to 325,837.80, 488,756.70 and 115,448.40 is: 173,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,837.80 : 488,756.70 = 115,448.40 : x
  2. Step 2: Convert to fraction form
    325,837.80/488,756.70 = 115,448.40/x
  3. Step 3: Cross multiply
    325,837.80x = 488,756.70 × 115,448.40
  4. Step 4: Simplify right side
    325,837.80x = 56,426,179,004.28
  5. Step 5: Solve for x
    x = 56,426,179,004.28/325,837.80
  6. Step 6: Final answer
    x = 173,172.60

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