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Finding the Fourth Proportional to 227,065.36, 313,364.52 and 126,463.12

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Solution

The fourth proportional to 227,065.36, 313,364.52 and 126,463.12 is: 174,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,065.36 : 313,364.52 = 126,463.12 : x
  2. Step 2: Convert to fraction form
    227,065.36/313,364.52 = 126,463.12/x
  3. Step 3: Cross multiply
    227,065.36x = 313,364.52 × 126,463.12
  4. Step 4: Simplify right side
    227,065.36x = 39,629,054,896.50
  5. Step 5: Solve for x
    x = 39,629,054,896.50/227,065.36
  6. Step 6: Final answer
    x = 174,527.08

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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.