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Finding the Fourth Proportional to 331,113.40, 496,670.10 and 109,497.40

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Solution

The fourth proportional to 331,113.40, 496,670.10 and 109,497.40 is: 164,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.40 : 496,670.10 = 109,497.40 : x
  2. Step 2: Convert to fraction form
    331,113.40/496,670.10 = 109,497.40/x
  3. Step 3: Cross multiply
    331,113.40x = 496,670.10 × 109,497.40
  4. Step 4: Simplify right side
    331,113.40x = 54,384,084,607.74
  5. Step 5: Solve for x
    x = 54,384,084,607.74/331,113.40
  6. Step 6: Final answer
    x = 164,246.10

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