Finding the Fourth Proportional to 304,721.75, 420,586.00 and 202,751.51
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Solution
The fourth proportional to 304,721.75, 420,586.00 and 202,751.51 is: 279,843.64
Step by Step Solution
- Step 1: Write the proportion equation
304,721.75 : 420,586.00 = 202,751.51 : x - Step 2: Convert to fraction form
304,721.75/420,586.00 = 202,751.51/x - Step 3: Cross multiply
304,721.75x = 420,586.00 × 202,751.51 - Step 4: Simplify right side
304,721.75x = 85,274,443,975.05 - Step 5: Solve for x
x = 85,274,443,975.05/304,721.75 - Step 6: Final answer
x = 279,843.64
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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.