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Finding the Fourth Proportional to 362,228.20, 499,911.78 and 211,316.20

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Solution

The fourth proportional to 362,228.20, 499,911.78 and 211,316.20 is: 291,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,228.20 : 499,911.78 = 211,316.20 : x
  2. Step 2: Convert to fraction form
    362,228.20/499,911.78 = 211,316.20/x
  3. Step 3: Cross multiply
    362,228.20x = 499,911.78 × 211,316.20
  4. Step 4: Simplify right side
    362,228.20x = 105,639,457,684.84
  5. Step 5: Solve for x
    x = 105,639,457,684.84/362,228.20
  6. Step 6: Final answer
    x = 291,637.86

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