Finding the Fourth Proportional to 218,916.18, 327,650.74 and 199,244.12
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Solution
The fourth proportional to 218,916.18, 327,650.74 and 199,244.12 is: 298,207.66
Step by Step Solution
- Step 1: Write the proportion equation
218,916.18 : 327,650.74 = 199,244.12 : x - Step 2: Convert to fraction form
218,916.18/327,650.74 = 199,244.12/x - Step 3: Cross multiply
218,916.18x = 327,650.74 × 199,244.12 - Step 4: Simplify right side
218,916.18x = 65,282,481,222.28 - Step 5: Solve for x
x = 65,282,481,222.28/218,916.18 - Step 6: Final answer
x = 298,207.66
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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.