Finding the Fourth Proportional to 202,213.75, 303,320.64 and 54,469.75
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Solution
The fourth proportional to 202,213.75, 303,320.64 and 54,469.75 is: 81,704.63
Step by Step Solution
- Step 1: Write the proportion equation
202,213.75 : 303,320.64 = 54,469.75 : x - Step 2: Convert to fraction form
202,213.75/303,320.64 = 54,469.75/x - Step 3: Cross multiply
202,213.75x = 303,320.64 × 54,469.75 - Step 4: Simplify right side
202,213.75x = 16,521,799,430.64 - Step 5: Solve for x
x = 16,521,799,430.64/202,213.75 - Step 6: Final answer
x = 81,704.63
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1.5x scale
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.