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Finding the Fourth Proportional to 242,695.60, 364,043.40 and 221,700.40

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Solution

The fourth proportional to 242,695.60, 364,043.40 and 221,700.40 is: 332,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,695.60 : 364,043.40 = 221,700.40 : x
  2. Step 2: Convert to fraction form
    242,695.60/364,043.40 = 221,700.40/x
  3. Step 3: Cross multiply
    242,695.60x = 364,043.40 × 221,700.40
  4. Step 4: Simplify right side
    242,695.60x = 80,708,567,397.36
  5. Step 5: Solve for x
    x = 80,708,567,397.36/242,695.60
  6. Step 6: Final answer
    x = 332,550.60

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