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Finding the Fourth Proportional to 282,813.14, 390,276.87 and 155,486.00

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Solution

The fourth proportional to 282,813.14, 390,276.87 and 155,486.00 is: 214,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,813.14 : 390,276.87 = 155,486.00 : x
  2. Step 2: Convert to fraction form
    282,813.14/390,276.87 = 155,486.00/x
  3. Step 3: Cross multiply
    282,813.14x = 390,276.87 × 155,486.00
  4. Step 4: Simplify right side
    282,813.14x = 60,682,587,457.44
  5. Step 5: Solve for x
    x = 60,682,587,457.44/282,813.14
  6. Step 6: Final answer
    x = 214,567.78

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