Finding the Fourth Proportional to 154,136.92, 231,220.76 and 41,818.99
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Solution
The fourth proportional to 154,136.92, 231,220.76 and 41,818.99 is: 62,732.66
Step by Step Solution
- Step 1: Write the proportion equation
154,136.92 : 231,220.76 = 41,818.99 : x - Step 2: Convert to fraction form
154,136.92/231,220.76 = 41,818.99/x - Step 3: Cross multiply
154,136.92x = 231,220.76 × 41,818.99 - Step 4: Simplify right side
154,136.92x = 9,669,418,650.23 - Step 5: Solve for x
x = 9,669,418,650.23/154,136.92 - Step 6: Final answer
x = 62,732.66
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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.