Finding the Fourth Proportional to 192,780.17, 289,123.68 and 74,375.99
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Solution
The fourth proportional to 192,780.17, 289,123.68 and 74,375.99 is: 111,546.02
Step by Step Solution
- Step 1: Write the proportion equation
192,780.17 : 289,123.68 = 74,375.99 : x - Step 2: Convert to fraction form
192,780.17/289,123.68 = 74,375.99/x - Step 3: Cross multiply
192,780.17x = 289,123.68 × 74,375.99 - Step 4: Simplify right side
192,780.17x = 21,503,859,932.44 - Step 5: Solve for x
x = 21,503,859,932.44/192,780.17 - Step 6: Final answer
x = 111,546.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.