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Finding the Fourth Proportional to 307,891.40, 461,606.70 and 167,808.20

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Solution

The fourth proportional to 307,891.40, 461,606.70 and 167,808.20 is: 251,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,891.40 : 461,606.70 = 167,808.20 : x
  2. Step 2: Convert to fraction form
    307,891.40/461,606.70 = 167,808.20/x
  3. Step 3: Cross multiply
    307,891.40x = 461,606.70 × 167,808.20
  4. Step 4: Simplify right side
    307,891.40x = 77,461,389,434.94
  5. Step 5: Solve for x
    x = 77,461,389,434.94/307,891.40
  6. Step 6: Final answer
    x = 251,586.73

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