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Finding the Fourth Proportional to 367,907.80, 551,861.70 and 190,469.20

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Solution

The fourth proportional to 367,907.80, 551,861.70 and 190,469.20 is: 285,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,907.80 : 551,861.70 = 190,469.20 : x
  2. Step 2: Convert to fraction form
    367,907.80/551,861.70 = 190,469.20/x
  3. Step 3: Cross multiply
    367,907.80x = 551,861.70 × 190,469.20
  4. Step 4: Simplify right side
    367,907.80x = 105,112,656,509.64
  5. Step 5: Solve for x
    x = 105,112,656,509.64/367,907.80
  6. Step 6: Final answer
    x = 285,703.80

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