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Finding the Fourth Proportional to 383,087.74, 528,661.05 and 222,036.20

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Solution

The fourth proportional to 383,087.74, 528,661.05 and 222,036.20 is: 306,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,087.74 : 528,661.05 = 222,036.20 : x
  2. Step 2: Convert to fraction form
    383,087.74/528,661.05 = 222,036.20/x
  3. Step 3: Cross multiply
    383,087.74x = 528,661.05 × 222,036.20
  4. Step 4: Simplify right side
    383,087.74x = 117,381,891,951.66
  5. Step 5: Solve for x
    x = 117,381,891,951.66/383,087.74
  6. Step 6: Final answer
    x = 306,409.94

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