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Finding the Fourth Proportional to 212,667.40, 318,475.88 and 158,502.22

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Solution

The fourth proportional to 212,667.40, 318,475.88 and 158,502.22 is: 237,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,667.40 : 318,475.88 = 158,502.22 : x
  2. Step 2: Convert to fraction form
    212,667.40/318,475.88 = 158,502.22/x
  3. Step 3: Cross multiply
    212,667.40x = 318,475.88 × 158,502.22
  4. Step 4: Simplify right side
    212,667.40x = 50,479,133,996.45
  5. Step 5: Solve for x
    x = 50,479,133,996.45/212,667.40
  6. Step 6: Final answer
    x = 237,361.88

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