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Finding the Fourth Proportional to 268,082.80, 401,663.40 and 174,540.40

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Solution

The fourth proportional to 268,082.80, 401,663.40 and 174,540.40 is: 261,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,082.80 : 401,663.40 = 174,540.40 : x
  2. Step 2: Convert to fraction form
    268,082.80/401,663.40 = 174,540.40/x
  3. Step 3: Cross multiply
    268,082.80x = 401,663.40 × 174,540.40
  4. Step 4: Simplify right side
    268,082.80x = 70,106,490,501.36
  5. Step 5: Solve for x
    x = 70,106,490,501.36/268,082.80
  6. Step 6: Final answer
    x = 261,510.59

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