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Finding the Fourth Proportional to 353,065.88, 487,118.94 and 219,007.64

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Solution

The fourth proportional to 353,065.88, 487,118.94 and 219,007.64 is: 302,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,065.88 : 487,118.94 = 219,007.64 : x
  2. Step 2: Convert to fraction form
    353,065.88/487,118.94 = 219,007.64/x
  3. Step 3: Cross multiply
    353,065.88x = 487,118.94 × 219,007.64
  4. Step 4: Simplify right side
    353,065.88x = 106,682,769,448.70
  5. Step 5: Solve for x
    x = 106,682,769,448.70/353,065.88
  6. Step 6: Final answer
    x = 302,161.09

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