Finding the Fourth Proportional to 203,872.09, 306,306.57 and 192,541.81
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Solution
The fourth proportional to 203,872.09, 306,306.57 and 192,541.81 is: 289,283.45
Step by Step Solution
- Step 1: Write the proportion equation
203,872.09 : 306,306.57 = 192,541.81 : x - Step 2: Convert to fraction form
203,872.09/306,306.57 = 192,541.81/x - Step 3: Cross multiply
203,872.09x = 306,306.57 × 192,541.81 - Step 4: Simplify right side
203,872.09x = 58,976,821,402.69 - Step 5: Solve for x
x = 58,976,821,402.69/203,872.09 - Step 6: Final answer
x = 289,283.45
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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.