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Finding the Fourth Proportional to 227,066.48, 313,361.48 and 126,464.48

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Solution

The fourth proportional to 227,066.48, 313,361.48 and 126,464.48 is: 174,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,066.48 : 313,361.48 = 126,464.48 : x
  2. Step 2: Convert to fraction form
    227,066.48/313,361.48 = 126,464.48/x
  3. Step 3: Cross multiply
    227,066.48x = 313,361.48 × 126,464.48
  4. Step 4: Simplify right side
    227,066.48x = 39,629,096,620.23
  5. Step 5: Solve for x
    x = 39,629,096,620.23/227,066.48
  6. Step 6: Final answer
    x = 174,526.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.