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Finding the Fourth Proportional to 282,591.36, 389,975.76 and 155,266.64

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Solution

The fourth proportional to 282,591.36, 389,975.76 and 155,266.64 is: 214,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,591.36 : 389,975.76 = 155,266.64 : x
  2. Step 2: Convert to fraction form
    282,591.36/389,975.76 = 155,266.64/x
  3. Step 3: Cross multiply
    282,591.36x = 389,975.76 × 155,266.64
  4. Step 4: Simplify right side
    282,591.36x = 60,550,225,936.65
  5. Step 5: Solve for x
    x = 60,550,225,936.65/282,591.36
  6. Step 6: Final answer
    x = 214,267.79

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