Finding the Fourth Proportional to 201,906.70, 302,860.05 and 192,721.30
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Solution
The fourth proportional to 201,906.70, 302,860.05 and 192,721.30 is: 289,081.95
Step by Step Solution
- Step 1: Write the proportion equation
201,906.70 : 302,860.05 = 192,721.30 : x - Step 2: Convert to fraction form
201,906.70/302,860.05 = 192,721.30/x - Step 3: Cross multiply
201,906.70x = 302,860.05 × 192,721.30 - Step 4: Simplify right side
201,906.70x = 58,367,582,554.07 - Step 5: Solve for x
x = 58,367,582,554.07/201,906.70 - Step 6: Final answer
x = 289,081.95
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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.