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Finding the Fourth Proportional to 361,443.34, 498,804.69 and 218,175.40

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Solution

The fourth proportional to 361,443.34, 498,804.69 and 218,175.40 is: 301,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,443.34 : 498,804.69 = 218,175.40 : x
  2. Step 2: Convert to fraction form
    361,443.34/498,804.69 = 218,175.40/x
  3. Step 3: Cross multiply
    361,443.34x = 498,804.69 × 218,175.40
  4. Step 4: Simplify right side
    361,443.34x = 108,826,912,762.63
  5. Step 5: Solve for x
    x = 108,826,912,762.63/361,443.34
  6. Step 6: Final answer
    x = 301,089.83

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