Finding the Fourth Proportional to 263,161.38, 394,767.08 and 73,621.79
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Solution
The fourth proportional to 263,161.38, 394,767.08 and 73,621.79 is: 110,439.68
Step by Step Solution
- Step 1: Write the proportion equation
263,161.38 : 394,767.08 = 73,621.79 : x - Step 2: Convert to fraction form
263,161.38/394,767.08 = 73,621.79/x - Step 3: Cross multiply
263,161.38x = 394,767.08 × 73,621.79 - Step 4: Simplify right side
263,161.38x = 29,063,459,062.67 - Step 5: Solve for x
x = 29,063,459,062.67/263,161.38 - Step 6: Final answer
x = 110,439.68
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1.5x scale
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.