Finding the Fourth Proportional to 805,082.49, 1,207,622.72 and 206,043.95
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Solution
The fourth proportional to 805,082.49, 1,207,622.72 and 206,043.95 is: 309,065.67
Step by Step Solution
- Step 1: Write the proportion equation
805,082.49 : 1,207,622.72 = 206,043.95 : x - Step 2: Convert to fraction form
805,082.49/1,207,622.72 = 206,043.95/x - Step 3: Cross multiply
805,082.49x = 1,207,622.72 × 206,043.95 - Step 4: Simplify right side
805,082.49x = 248,823,358,872.71 - Step 5: Solve for x
x = 248,823,358,872.71/805,082.49 - Step 6: Final answer
x = 309,065.67
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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.