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Finding the Fourth Proportional to 282,694.94, 390,102.54 and 155,370.64

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Solution

The fourth proportional to 282,694.94, 390,102.54 and 155,370.64 is: 214,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,694.94 : 390,102.54 = 155,370.64 : x
  2. Step 2: Convert to fraction form
    282,694.94/390,102.54 = 155,370.64/x
  3. Step 3: Cross multiply
    282,694.94x = 390,102.54 × 155,370.64
  4. Step 4: Simplify right side
    282,694.94x = 60,610,481,305.43
  5. Step 5: Solve for x
    x = 60,610,481,305.43/282,694.94
  6. Step 6: Final answer
    x = 214,402.43

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