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Finding the Fourth Proportional to 349,974.40, 525,220.80 and 231,606.40

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Solution

The fourth proportional to 349,974.40, 525,220.80 and 231,606.40 is: 347,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,974.40 : 525,220.80 = 231,606.40 : x
  2. Step 2: Convert to fraction form
    349,974.40/525,220.80 = 231,606.40/x
  3. Step 3: Cross multiply
    349,974.40x = 525,220.80 × 231,606.40
  4. Step 4: Simplify right side
    349,974.40x = 121,644,498,693.12
  5. Step 5: Solve for x
    x = 121,644,498,693.12/349,974.40
  6. Step 6: Final answer
    x = 347,581.13

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