Finding the Fourth Proportional to 440,575.20, 660,942.99 and 290,940.66
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Solution
The fourth proportional to 440,575.20, 660,942.99 and 290,940.66 is: 436,463.94
Step by Step Solution
- Step 1: Write the proportion equation
440,575.20 : 660,942.99 = 290,940.66 : x - Step 2: Convert to fraction form
440,575.20/660,942.99 = 290,940.66/x - Step 3: Cross multiply
440,575.20x = 660,942.99 × 290,940.66 - Step 4: Simplify right side
440,575.20x = 192,295,189,732.97 - Step 5: Solve for x
x = 192,295,189,732.97/440,575.20 - Step 6: Final answer
x = 436,463.94
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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.