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Finding the Fourth Proportional to 430,826.80, 646,240.20 and 164,450.20

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Solution

The fourth proportional to 430,826.80, 646,240.20 and 164,450.20 is: 246,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,826.80 : 646,240.20 = 164,450.20 : x
  2. Step 2: Convert to fraction form
    430,826.80/646,240.20 = 164,450.20/x
  3. Step 3: Cross multiply
    430,826.80x = 646,240.20 × 164,450.20
  4. Step 4: Simplify right side
    430,826.80x = 106,274,330,138.04
  5. Step 5: Solve for x
    x = 106,274,330,138.04/430,826.80
  6. Step 6: Final answer
    x = 246,675.30

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