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Finding the Fourth Proportional to 329,082.40, 493,639.80 and 171,618.40

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Solution

The fourth proportional to 329,082.40, 493,639.80 and 171,618.40 is: 257,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,082.40 : 493,639.80 = 171,618.40 : x
  2. Step 2: Convert to fraction form
    329,082.40/493,639.80 = 171,618.40/x
  3. Step 3: Cross multiply
    329,082.40x = 493,639.80 × 171,618.40
  4. Step 4: Simplify right side
    329,082.40x = 84,717,672,652.32
  5. Step 5: Solve for x
    x = 84,717,672,652.32/329,082.40
  6. Step 6: Final answer
    x = 257,436.05

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