Finding the Fourth Proportional to 202,532.30, 303,805.74 and 76,160.96
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Solution
The fourth proportional to 202,532.30, 303,805.74 and 76,160.96 is: 114,244.18
Step by Step Solution
- Step 1: Write the proportion equation
202,532.30 : 303,805.74 = 76,160.96 : x - Step 2: Convert to fraction form
202,532.30/303,805.74 = 76,160.96/x - Step 3: Cross multiply
202,532.30x = 303,805.74 × 76,160.96 - Step 4: Simplify right side
202,532.30x = 23,138,136,811.91 - Step 5: Solve for x
x = 23,138,136,811.91/202,532.30 - Step 6: Final answer
x = 114,244.18
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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.