Finding the Fourth Proportional to 547,550.42, 755,611.62 and 305,836.44
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Solution
The fourth proportional to 547,550.42, 755,611.62 and 305,836.44 is: 422,049.84
Step by Step Solution
- Step 1: Write the proportion equation
547,550.42 : 755,611.62 = 305,836.44 : x - Step 2: Convert to fraction form
547,550.42/755,611.62 = 305,836.44/x - Step 3: Cross multiply
547,550.42x = 755,611.62 × 305,836.44 - Step 4: Simplify right side
547,550.42x = 231,093,567,883.43 - Step 5: Solve for x
x = 231,093,567,883.43/547,550.42 - Step 6: Final answer
x = 422,049.84
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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.