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Finding the Fourth Proportional to 325,541.60, 488,312.40 and 199,570.40

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Solution

The fourth proportional to 325,541.60, 488,312.40 and 199,570.40 is: 299,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,541.60 : 488,312.40 = 199,570.40 : x
  2. Step 2: Convert to fraction form
    325,541.60/488,312.40 = 199,570.40/x
  3. Step 3: Cross multiply
    325,541.60x = 488,312.40 × 199,570.40
  4. Step 4: Simplify right side
    325,541.60x = 97,452,700,992.96
  5. Step 5: Solve for x
    x = 97,452,700,992.96/325,541.60
  6. Step 6: Final answer
    x = 299,355.60

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