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Finding the Fourth Proportional to 282,405.40, 389,868.06 and 174,923.80

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Solution

The fourth proportional to 282,405.40, 389,868.06 and 174,923.80 is: 241,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,405.40 : 389,868.06 = 174,923.80 : x
  2. Step 2: Convert to fraction form
    282,405.40/389,868.06 = 174,923.80/x
  3. Step 3: Cross multiply
    282,405.40x = 389,868.06 × 174,923.80
  4. Step 4: Simplify right side
    282,405.40x = 68,197,202,553.83
  5. Step 5: Solve for x
    x = 68,197,202,553.83/282,405.40
  6. Step 6: Final answer
    x = 241,486.89

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