Finding the Fourth Proportional to 321,476.26, 482,240.69 and 161,469.92
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Solution
The fourth proportional to 321,476.26, 482,240.69 and 161,469.92 is: 242,218.09
Step by Step Solution
- Step 1: Write the proportion equation
321,476.26 : 482,240.69 = 161,469.92 : x - Step 2: Convert to fraction form
321,476.26/482,240.69 = 161,469.92/x - Step 3: Cross multiply
321,476.26x = 482,240.69 × 161,469.92 - Step 4: Simplify right side
321,476.26x = 77,867,366,638.81 - Step 5: Solve for x
x = 77,867,366,638.81/321,476.26 - Step 6: Final answer
x = 242,218.09
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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.