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Finding the Fourth Proportional to 325,611.20, 488,659.80 and 167,758.40

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Solution

The fourth proportional to 325,611.20, 488,659.80 and 167,758.40 is: 251,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,611.20 : 488,659.80 = 167,758.40 : x
  2. Step 2: Convert to fraction form
    325,611.20/488,659.80 = 167,758.40/x
  3. Step 3: Cross multiply
    325,611.20x = 488,659.80 × 167,758.40
  4. Step 4: Simplify right side
    325,611.20x = 81,976,786,192.32
  5. Step 5: Solve for x
    x = 81,976,786,192.32/325,611.20
  6. Step 6: Final answer
    x = 251,762.80

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