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Finding the Fourth Proportional to 328,342.44, 492,267.60 and 139,024.80

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Solution

The fourth proportional to 328,342.44, 492,267.60 and 139,024.80 is: 208,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,342.44 : 492,267.60 = 139,024.80 : x
  2. Step 2: Convert to fraction form
    328,342.44/492,267.60 = 139,024.80/x
  3. Step 3: Cross multiply
    328,342.44x = 492,267.60 × 139,024.80
  4. Step 4: Simplify right side
    328,342.44x = 68,437,404,636.48
  5. Step 5: Solve for x
    x = 68,437,404,636.48/328,342.44
  6. Step 6: Final answer
    x = 208,433.01

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