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Finding the Fourth Proportional to 325,543.60, 488,315.40 and 214,735.60

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Solution

The fourth proportional to 325,543.60, 488,315.40 and 214,735.60 is: 322,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,543.60 : 488,315.40 = 214,735.60 : x
  2. Step 2: Convert to fraction form
    325,543.60/488,315.40 = 214,735.60/x
  3. Step 3: Cross multiply
    325,543.60x = 488,315.40 × 214,735.60
  4. Step 4: Simplify right side
    325,543.60x = 104,858,700,408.24
  5. Step 5: Solve for x
    x = 104,858,700,408.24/325,543.60
  6. Step 6: Final answer
    x = 322,103.40

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