Finding the Fourth Proportional to 212,622.09, 318,889.32 and 94,217.91
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Solution
The fourth proportional to 212,622.09, 318,889.32 and 94,217.91 is: 141,307.45
Step by Step Solution
- Step 1: Write the proportion equation
212,622.09 : 318,889.32 = 94,217.91 : x - Step 2: Convert to fraction form
212,622.09/318,889.32 = 94,217.91/x - Step 3: Cross multiply
212,622.09x = 318,889.32 × 94,217.91 - Step 4: Simplify right side
212,622.09x = 30,045,085,251.72 - Step 5: Solve for x
x = 30,045,085,251.72/212,622.09 - Step 6: Final answer
x = 141,307.45
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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.