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Finding the Fourth Proportional to 353,620.99, 488,007.48 and 217,733.33

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Solution

The fourth proportional to 353,620.99, 488,007.48 and 217,733.33 is: 300,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,620.99 : 488,007.48 = 217,733.33 : x
  2. Step 2: Convert to fraction form
    353,620.99/488,007.48 = 217,733.33/x
  3. Step 3: Cross multiply
    353,620.99x = 488,007.48 × 217,733.33
  4. Step 4: Simplify right side
    353,620.99x = 106,255,495,721.83
  5. Step 5: Solve for x
    x = 106,255,495,721.83/353,620.99
  6. Step 6: Final answer
    x = 300,478.47

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