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Finding the Fourth Proportional to 351,815.01, 485,491.70 and 190,666.60

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Solution

The fourth proportional to 351,815.01, 485,491.70 and 190,666.60 is: 263,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,815.01 : 485,491.70 = 190,666.60 : x
  2. Step 2: Convert to fraction form
    351,815.01/485,491.70 = 190,666.60/x
  3. Step 3: Cross multiply
    351,815.01x = 485,491.70 × 190,666.60
  4. Step 4: Simplify right side
    351,815.01x = 92,567,051,030.16
  5. Step 5: Solve for x
    x = 92,567,051,030.16/351,815.01
  6. Step 6: Final answer
    x = 263,112.86

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