Finding the Fourth Proportional to 359,988.57, 496,814.99 and 198,861.21
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Solution
The fourth proportional to 359,988.57, 496,814.99 and 198,861.21 is: 274,445.46
Step by Step Solution
- Step 1: Write the proportion equation
359,988.57 : 496,814.99 = 198,861.21 : x - Step 2: Convert to fraction form
359,988.57/496,814.99 = 198,861.21/x - Step 3: Cross multiply
359,988.57x = 496,814.99 × 198,861.21 - Step 4: Simplify right side
359,988.57x = 98,797,229,063.23 - Step 5: Solve for x
x = 98,797,229,063.23/359,988.57 - Step 6: Final answer
x = 274,445.46
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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.