Finding the Fourth Proportional to 202,362.75, 303,558.84 and 77,703.75
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Solution
The fourth proportional to 202,362.75, 303,558.84 and 77,703.75 is: 116,561.28
Step by Step Solution
- Step 1: Write the proportion equation
202,362.75 : 303,558.84 = 77,703.75 : x - Step 2: Convert to fraction form
202,362.75/303,558.84 = 77,703.75/x - Step 3: Cross multiply
202,362.75x = 303,558.84 × 77,703.75 - Step 4: Simplify right side
202,362.75x = 23,587,660,213.65 - Step 5: Solve for x
x = 23,587,660,213.65/202,362.75 - Step 6: Final answer
x = 116,561.28
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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.