Finding the Fourth Proportional to 263,543.28, 394,983.84 and 113,608.08
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Solution
The fourth proportional to 263,543.28, 394,983.84 and 113,608.08 is: 170,269.40
Step by Step Solution
- Step 1: Write the proportion equation
263,543.28 : 394,983.84 = 113,608.08 : x - Step 2: Convert to fraction form
263,543.28/394,983.84 = 113,608.08/x - Step 3: Cross multiply
263,543.28x = 394,983.84 × 113,608.08 - Step 4: Simplify right side
263,543.28x = 44,873,355,693.43 - Step 5: Solve for x
x = 44,873,355,693.43/263,543.28 - Step 6: Final answer
x = 170,269.40
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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.