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Finding the Fourth Proportional to 328,036.40, 492,054.60 and 178,348.40

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Solution

The fourth proportional to 328,036.40, 492,054.60 and 178,348.40 is: 267,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,036.40 : 492,054.60 = 178,348.40 : x
  2. Step 2: Convert to fraction form
    328,036.40/492,054.60 = 178,348.40/x
  3. Step 3: Cross multiply
    328,036.40x = 492,054.60 × 178,348.40
  4. Step 4: Simplify right side
    328,036.40x = 87,757,150,622.64
  5. Step 5: Solve for x
    x = 87,757,150,622.64/328,036.40
  6. Step 6: Final answer
    x = 267,522.60

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