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Finding the Fourth Proportional to 363,622.80, 545,434.20 and 223,460.40

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Solution

The fourth proportional to 363,622.80, 545,434.20 and 223,460.40 is: 335,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,622.80 : 545,434.20 = 223,460.40 : x
  2. Step 2: Convert to fraction form
    363,622.80/545,434.20 = 223,460.40/x
  3. Step 3: Cross multiply
    363,622.80x = 545,434.20 × 223,460.40
  4. Step 4: Simplify right side
    363,622.80x = 121,882,944,505.68
  5. Step 5: Solve for x
    x = 121,882,944,505.68/363,622.80
  6. Step 6: Final answer
    x = 335,190.60

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