Finding the Fourth Proportional to 381,110.97, 525,942.39 and 209,035.99
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Solution
The fourth proportional to 381,110.97, 525,942.39 and 209,035.99 is: 288,474.74
Step by Step Solution
- Step 1: Write the proportion equation
381,110.97 : 525,942.39 = 209,035.99 : x - Step 2: Convert to fraction form
381,110.97/525,942.39 = 209,035.99/x - Step 3: Cross multiply
381,110.97x = 525,942.39 × 209,035.99 - Step 4: Simplify right side
381,110.97x = 109,940,888,176.62 - Step 5: Solve for x
x = 109,940,888,176.62/381,110.97 - Step 6: Final answer
x = 288,474.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.