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Finding the Fourth Proportional to 363,853.80, 545,780.70 and 223,691.40

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Solution

The fourth proportional to 363,853.80, 545,780.70 and 223,691.40 is: 335,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,853.80 : 545,780.70 = 223,691.40 : x
  2. Step 2: Convert to fraction form
    363,853.80/545,780.70 = 223,691.40/x
  3. Step 3: Cross multiply
    363,853.80x = 545,780.70 × 223,691.40
  4. Step 4: Simplify right side
    363,853.80x = 122,086,448,875.98
  5. Step 5: Solve for x
    x = 122,086,448,875.98/363,853.80
  6. Step 6: Final answer
    x = 335,537.10

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