Finding the Fourth Proportional to 378,450.96, 567,689.85 and 94,142.99
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Solution
The fourth proportional to 378,450.96, 567,689.85 and 94,142.99 is: 141,217.82
Step by Step Solution
- Step 1: Write the proportion equation
378,450.96 : 567,689.85 = 94,142.99 : x - Step 2: Convert to fraction form
378,450.96/567,689.85 = 94,142.99/x - Step 3: Cross multiply
378,450.96x = 567,689.85 × 94,142.99 - Step 4: Simplify right side
378,450.96x = 53,444,019,871.65 - Step 5: Solve for x
x = 53,444,019,871.65/378,450.96 - Step 6: Final answer
x = 141,217.82
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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.