Finding the Fourth Proportional to 206,527.45, 284,476.84 and 145,993.99
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Solution
The fourth proportional to 206,527.45, 284,476.84 and 145,993.99 is: 201,096.31
Step by Step Solution
- Step 1: Write the proportion equation
206,527.45 : 284,476.84 = 145,993.99 : x - Step 2: Convert to fraction form
206,527.45/284,476.84 = 145,993.99/x - Step 3: Cross multiply
206,527.45x = 284,476.84 × 145,993.99 - Step 4: Simplify right side
206,527.45x = 41,531,907,858.01 - Step 5: Solve for x
x = 41,531,907,858.01/206,527.45 - Step 6: Final answer
x = 201,096.31
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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.