Finding the Fourth Proportional to 206,218.21, 284,567.03 and 115,558.69
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Solution
The fourth proportional to 206,218.21, 284,567.03 and 115,558.69 is: 159,463.09
Step by Step Solution
- Step 1: Write the proportion equation
206,218.21 : 284,567.03 = 115,558.69 : x - Step 2: Convert to fraction form
206,218.21/284,567.03 = 115,558.69/x - Step 3: Cross multiply
206,218.21x = 284,567.03 × 115,558.69 - Step 4: Simplify right side
206,218.21x = 32,884,192,626.20 - Step 5: Solve for x
x = 32,884,192,626.20/206,218.21 - Step 6: Final answer
x = 159,463.09
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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.