Finding the Fourth Proportional to 263,540.28, 394,979.34 and 113,605.08
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Solution
The fourth proportional to 263,540.28, 394,979.34 and 113,605.08 is: 170,264.90
Step by Step Solution
- Step 1: Write the proportion equation
263,540.28 : 394,979.34 = 113,605.08 : x - Step 2: Convert to fraction form
263,540.28/394,979.34 = 113,605.08/x - Step 3: Cross multiply
263,540.28x = 394,979.34 × 113,605.08 - Step 4: Simplify right side
263,540.28x = 44,871,659,519.05 - Step 5: Solve for x
x = 44,871,659,519.05/263,540.28 - Step 6: Final answer
x = 170,264.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.