Finding the Fourth Proportional to 202,387.75, 303,596.21 and 77,728.75
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Solution
The fourth proportional to 202,387.75, 303,596.21 and 77,728.75 is: 116,598.72
Step by Step Solution
- Step 1: Write the proportion equation
202,387.75 : 303,596.21 = 77,728.75 : x - Step 2: Convert to fraction form
202,387.75/303,596.21 = 77,728.75/x - Step 3: Cross multiply
202,387.75x = 303,596.21 × 77,728.75 - Step 4: Simplify right side
202,387.75x = 23,598,153,519.39 - Step 5: Solve for x
x = 23,598,153,519.39/202,387.75 - Step 6: Final answer
x = 116,598.72
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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.