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Finding the Fourth Proportional to 352,681.20, 529,021.80 and 186,793.20

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Solution

The fourth proportional to 352,681.20, 529,021.80 and 186,793.20 is: 280,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,681.20 : 529,021.80 = 186,793.20 : x
  2. Step 2: Convert to fraction form
    352,681.20/529,021.80 = 186,793.20/x
  3. Step 3: Cross multiply
    352,681.20x = 529,021.80 × 186,793.20
  4. Step 4: Simplify right side
    352,681.20x = 98,817,674,891.76
  5. Step 5: Solve for x
    x = 98,817,674,891.76/352,681.20
  6. Step 6: Final answer
    x = 280,189.80

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