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Finding the Fourth Proportional to 359,628.20, 539,442.30 and 193,740.20

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Solution

The fourth proportional to 359,628.20, 539,442.30 and 193,740.20 is: 290,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,628.20 : 539,442.30 = 193,740.20 : x
  2. Step 2: Convert to fraction form
    359,628.20/539,442.30 = 193,740.20/x
  3. Step 3: Cross multiply
    359,628.20x = 539,442.30 × 193,740.20
  4. Step 4: Simplify right side
    359,628.20x = 104,511,659,090.46
  5. Step 5: Solve for x
    x = 104,511,659,090.46/359,628.20
  6. Step 6: Final answer
    x = 290,610.30

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