Finding the Fourth Proportional to 394,096.26, 543,865.84 and 215,248.26
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Solution
The fourth proportional to 394,096.26, 543,865.84 and 215,248.26 is: 297,049.70
Step by Step Solution
- Step 1: Write the proportion equation
394,096.26 : 543,865.84 = 215,248.26 : x - Step 2: Convert to fraction form
394,096.26/543,865.84 = 215,248.26/x - Step 3: Cross multiply
394,096.26x = 543,865.84 × 215,248.26 - Step 4: Simplify right side
394,096.26x = 117,066,175,733.44 - Step 5: Solve for x
x = 117,066,175,733.44/394,096.26 - Step 6: Final answer
x = 297,049.70
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1.5x scale
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.