Finding the Fourth Proportional to 304,286.91, 419,774.55 and 196,891.65
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Solution
The fourth proportional to 304,286.91, 419,774.55 and 196,891.65 is: 271,618.99
Step by Step Solution
- Step 1: Write the proportion equation
304,286.91 : 419,774.55 = 196,891.65 : x - Step 2: Convert to fraction form
304,286.91/419,774.55 = 196,891.65/x - Step 3: Cross multiply
304,286.91x = 419,774.55 × 196,891.65 - Step 4: Simplify right side
304,286.91x = 82,650,103,777.51 - Step 5: Solve for x
x = 82,650,103,777.51/304,286.91 - Step 6: Final answer
x = 271,618.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.