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Finding the Fourth Proportional to 242,690.20, 364,035.30 and 231,803.80

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Solution

The fourth proportional to 242,690.20, 364,035.30 and 231,803.80 is: 347,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,690.20 : 364,035.30 = 231,803.80 : x
  2. Step 2: Convert to fraction form
    242,690.20/364,035.30 = 231,803.80/x
  3. Step 3: Cross multiply
    242,690.20x = 364,035.30 × 231,803.80
  4. Step 4: Simplify right side
    242,690.20x = 84,384,765,874.14
  5. Step 5: Solve for x
    x = 84,384,765,874.14/242,690.20
  6. Step 6: Final answer
    x = 347,705.70

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