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Finding the Fourth Proportional to 328,065.60, 492,098.40 and 106,449.60

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Solution

The fourth proportional to 328,065.60, 492,098.40 and 106,449.60 is: 159,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,065.60 : 492,098.40 = 106,449.60 : x
  2. Step 2: Convert to fraction form
    328,065.60/492,098.40 = 106,449.60/x
  3. Step 3: Cross multiply
    328,065.60x = 492,098.40 × 106,449.60
  4. Step 4: Simplify right side
    328,065.60x = 52,383,677,840.64
  5. Step 5: Solve for x
    x = 52,383,677,840.64/328,065.60
  6. Step 6: Final answer
    x = 159,674.40

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