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Finding the Fourth Proportional to 432,486.60, 648,843.30 and 166,255.80

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Solution

The fourth proportional to 432,486.60, 648,843.30 and 166,255.80 is: 249,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,486.60 : 648,843.30 = 166,255.80 : x
  2. Step 2: Convert to fraction form
    432,486.60/648,843.30 = 166,255.80/x
  3. Step 3: Cross multiply
    432,486.60x = 648,843.30 × 166,255.80
  4. Step 4: Simplify right side
    432,486.60x = 107,873,961,916.14
  5. Step 5: Solve for x
    x = 107,873,961,916.14/432,486.60
  6. Step 6: Final answer
    x = 249,427.29

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