Finding the Fourth Proportional to 497,586.18, 686,668.98 and 271,231.68
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Solution
The fourth proportional to 497,586.18, 686,668.98 and 271,231.68 is: 374,299.75
Step by Step Solution
- Step 1: Write the proportion equation
497,586.18 : 686,668.98 = 271,231.68 : x - Step 2: Convert to fraction form
497,586.18/686,668.98 = 271,231.68/x - Step 3: Cross multiply
497,586.18x = 686,668.98 × 271,231.68 - Step 4: Simplify right side
497,586.18x = 186,246,381,049.29 - Step 5: Solve for x
x = 186,246,381,049.29/497,586.18 - Step 6: Final answer
x = 374,299.75
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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.