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Finding the Fourth Proportional to 399,862.88, 599,825.22 and 133,624.32

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Solution

The fourth proportional to 399,862.88, 599,825.22 and 133,624.32 is: 200,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,862.88 : 599,825.22 = 133,624.32 : x
  2. Step 2: Convert to fraction form
    399,862.88/599,825.22 = 133,624.32/x
  3. Step 3: Cross multiply
    399,862.88x = 599,825.22 × 133,624.32
  4. Step 4: Simplify right side
    399,862.88x = 80,151,237,141.35
  5. Step 5: Solve for x
    x = 80,151,237,141.35/399,862.88
  6. Step 6: Final answer
    x = 200,446.81

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