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Finding the Fourth Proportional to 362,438.17, 500,135.40 and 209,486.26

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Solution

The fourth proportional to 362,438.17, 500,135.40 and 209,486.26 is: 289,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,438.17 : 500,135.40 = 209,486.26 : x
  2. Step 2: Convert to fraction form
    362,438.17/500,135.40 = 209,486.26/x
  3. Step 3: Cross multiply
    362,438.17x = 500,135.40 × 209,486.26
  4. Step 4: Simplify right side
    362,438.17x = 104,771,494,439.60
  5. Step 5: Solve for x
    x = 104,771,494,439.60/362,438.17
  6. Step 6: Final answer
    x = 289,074.12

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