Finding the Fourth Proportional to 212,229.10, 317,969.96 and 199,586.62
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Solution
The fourth proportional to 212,229.10, 317,969.96 and 199,586.62 is: 299,028.49
Step by Step Solution
- Step 1: Write the proportion equation
212,229.10 : 317,969.96 = 199,586.62 : x - Step 2: Convert to fraction form
212,229.10/317,969.96 = 199,586.62/x - Step 3: Cross multiply
212,229.10x = 317,969.96 × 199,586.62 - Step 4: Simplify right side
212,229.10x = 63,462,548,487.05 - Step 5: Solve for x
x = 63,462,548,487.05/212,229.10 - Step 6: Final answer
x = 299,028.49
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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.