Finding the Fourth Proportional to 202,821.80, 304,232.70 and 84,453.80
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Solution
The fourth proportional to 202,821.80, 304,232.70 and 84,453.80 is: 126,680.70
Step by Step Solution
- Step 1: Write the proportion equation
202,821.80 : 304,232.70 = 84,453.80 : x - Step 2: Convert to fraction form
202,821.80/304,232.70 = 84,453.80/x - Step 3: Cross multiply
202,821.80x = 304,232.70 × 84,453.80 - Step 4: Simplify right side
202,821.80x = 25,693,607,599.26 - Step 5: Solve for x
x = 25,693,607,599.26/202,821.80 - Step 6: Final answer
x = 126,680.70
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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.