Finding the Fourth Proportional to 203,757.68, 305,622.09 and 53,994.65
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Solution
The fourth proportional to 203,757.68, 305,622.09 and 53,994.65 is: 80,988.15
Step by Step Solution
- Step 1: Write the proportion equation
203,757.68 : 305,622.09 = 53,994.65 : x - Step 2: Convert to fraction form
203,757.68/305,622.09 = 53,994.65/x - Step 3: Cross multiply
203,757.68x = 305,622.09 × 53,994.65 - Step 4: Simplify right side
203,757.68x = 16,501,958,545.87 - Step 5: Solve for x
x = 16,501,958,545.87/203,757.68 - Step 6: Final answer
x = 80,988.15
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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.