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Finding the Fourth Proportional to 207,904.20, 311,200.20 and 201,343.20

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Solution

The fourth proportional to 207,904.20, 311,200.20 and 201,343.20 is: 301,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,904.20 : 311,200.20 = 201,343.20 : x
  2. Step 2: Convert to fraction form
    207,904.20/311,200.20 = 201,343.20/x
  3. Step 3: Cross multiply
    207,904.20x = 311,200.20 × 201,343.20
  4. Step 4: Simplify right side
    207,904.20x = 62,658,044,108.64
  5. Step 5: Solve for x
    x = 62,658,044,108.64/207,904.20
  6. Step 6: Final answer
    x = 301,379.41

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