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Finding the Fourth Proportional to 275,343.60, 412,918.20 and 97,856.40

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Solution

The fourth proportional to 275,343.60, 412,918.20 and 97,856.40 is: 146,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,343.60 : 412,918.20 = 97,856.40 : x
  2. Step 2: Convert to fraction form
    275,343.60/412,918.20 = 97,856.40/x
  3. Step 3: Cross multiply
    275,343.60x = 412,918.20 × 97,856.40
  4. Step 4: Simplify right side
    275,343.60x = 40,406,688,546.48
  5. Step 5: Solve for x
    x = 40,406,688,546.48/275,343.60
  6. Step 6: Final answer
    x = 146,750.06

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