Finding the Fourth Proportional to 198,423.68, 273,795.96 and 113,524.88
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Solution
The fourth proportional to 198,423.68, 273,795.96 and 113,524.88 is: 156,647.90
Step by Step Solution
- Step 1: Write the proportion equation
198,423.68 : 273,795.96 = 113,524.88 : x - Step 2: Convert to fraction form
198,423.68/273,795.96 = 113,524.88/x - Step 3: Cross multiply
198,423.68x = 273,795.96 × 113,524.88 - Step 4: Simplify right side
198,423.68x = 31,082,653,503.48 - Step 5: Solve for x
x = 31,082,653,503.48/198,423.68 - Step 6: Final answer
x = 156,647.90
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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.