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Finding the Fourth Proportional to 432,045.90, 647,522.10 and 165,450.60

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Solution

The fourth proportional to 432,045.90, 647,522.10 and 165,450.60 is: 247,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,045.90 : 647,522.10 = 165,450.60 : x
  2. Step 2: Convert to fraction form
    432,045.90/647,522.10 = 165,450.60/x
  3. Step 3: Cross multiply
    432,045.90x = 647,522.10 × 165,450.60
  4. Step 4: Simplify right side
    432,045.90x = 107,132,919,958.26
  5. Step 5: Solve for x
    x = 107,132,919,958.26/432,045.90
  6. Step 6: Final answer
    x = 247,966.52

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