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Finding the Fourth Proportional to 282,476.11, 389,817.26 and 155,159.90

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Solution

The fourth proportional to 282,476.11, 389,817.26 and 155,159.90 is: 214,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,476.11 : 389,817.26 = 155,159.90 : x
  2. Step 2: Convert to fraction form
    282,476.11/389,817.26 = 155,159.90/x
  3. Step 3: Cross multiply
    282,476.11x = 389,817.26 × 155,159.90
  4. Step 4: Simplify right side
    282,476.11x = 60,484,008,591.37
  5. Step 5: Solve for x
    x = 60,484,008,591.37/282,476.11
  6. Step 6: Final answer
    x = 214,120.79

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