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Finding the Fourth Proportional to 303,669.80, 455,213.10 and 236,164.40

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Solution

The fourth proportional to 303,669.80, 455,213.10 and 236,164.40 is: 354,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,669.80 : 455,213.10 = 236,164.40 : x
  2. Step 2: Convert to fraction form
    303,669.80/455,213.10 = 236,164.40/x
  3. Step 3: Cross multiply
    303,669.80x = 455,213.10 × 236,164.40
  4. Step 4: Simplify right side
    303,669.80x = 107,505,128,633.64
  5. Step 5: Solve for x
    x = 107,505,128,633.64/303,669.80
  6. Step 6: Final answer
    x = 354,019.82

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