Finding the Fourth Proportional to 203,173.92, 304,793.28 and 70,087.68
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Solution
The fourth proportional to 203,173.92, 304,793.28 and 70,087.68 is: 105,142.70
Step by Step Solution
- Step 1: Write the proportion equation
203,173.92 : 304,793.28 = 70,087.68 : x - Step 2: Convert to fraction form
203,173.92/304,793.28 = 70,087.68/x - Step 3: Cross multiply
203,173.92x = 304,793.28 × 70,087.68 - Step 4: Simplify right side
203,173.92x = 21,362,253,874.79 - Step 5: Solve for x
x = 21,362,253,874.79/203,173.92 - Step 6: Final answer
x = 105,142.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.