Finding the Fourth Proportional to 189,674.97, 284,527.04 and 71,343.69
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Solution
The fourth proportional to 189,674.97, 284,527.04 and 71,343.69 is: 107,021.02
Step by Step Solution
- Step 1: Write the proportion equation
189,674.97 : 284,527.04 = 71,343.69 : x - Step 2: Convert to fraction form
189,674.97/284,527.04 = 71,343.69/x - Step 3: Cross multiply
189,674.97x = 284,527.04 × 71,343.69 - Step 4: Simplify right side
189,674.97x = 20,299,208,581.66 - Step 5: Solve for x
x = 20,299,208,581.66/189,674.97 - Step 6: Final answer
x = 107,021.02
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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.