Finding the Fourth Proportional to 211,639.18, 317,452.62 and 61,882.99
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Solution
The fourth proportional to 211,639.18, 317,452.62 and 61,882.99 is: 92,822.68
Step by Step Solution
- Step 1: Write the proportion equation
211,639.18 : 317,452.62 = 61,882.99 : x - Step 2: Convert to fraction form
211,639.18/317,452.62 = 61,882.99/x - Step 3: Cross multiply
211,639.18x = 317,452.62 × 61,882.99 - Step 4: Simplify right side
211,639.18x = 19,644,916,399.27 - Step 5: Solve for x
x = 19,644,916,399.27/211,639.18 - Step 6: Final answer
x = 92,822.68
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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.