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Finding the Fourth Proportional to 368,048.80, 552,397.20 and 218,101.60

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Solution

The fourth proportional to 368,048.80, 552,397.20 and 218,101.60 is: 327,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,048.80 : 552,397.20 = 218,101.60 : x
  2. Step 2: Convert to fraction form
    368,048.80/552,397.20 = 218,101.60/x
  3. Step 3: Cross multiply
    368,048.80x = 552,397.20 × 218,101.60
  4. Step 4: Simplify right side
    368,048.80x = 120,478,713,155.52
  5. Step 5: Solve for x
    x = 120,478,713,155.52/368,048.80
  6. Step 6: Final answer
    x = 327,344.40

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