Finding the Fourth Proportional to 203,942.76, 305,913.50 and 54,198.12
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Solution
The fourth proportional to 203,942.76, 305,913.50 and 54,198.12 is: 81,297.01
Step by Step Solution
- Step 1: Write the proportion equation
203,942.76 : 305,913.50 = 54,198.12 : x - Step 2: Convert to fraction form
203,942.76/305,913.50 = 54,198.12/x - Step 3: Cross multiply
203,942.76x = 305,913.50 × 54,198.12 - Step 4: Simplify right side
203,942.76x = 16,579,936,582.62 - Step 5: Solve for x
x = 16,579,936,582.62/203,942.76 - Step 6: Final answer
x = 81,297.01
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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.