Finding the Fourth Proportional to 382,163.20, 573,244.80 and 115,910.80
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Solution
The fourth proportional to 382,163.20, 573,244.80 and 115,910.80 is: 173,866.20
Step by Step Solution
- Step 1: Write the proportion equation
382,163.20 : 573,244.80 = 115,910.80 : x - Step 2: Convert to fraction form
382,163.20/573,244.80 = 115,910.80/x - Step 3: Cross multiply
382,163.20x = 573,244.80 × 115,910.80 - Step 4: Simplify right side
382,163.20x = 66,445,263,363.84 - Step 5: Solve for x
x = 66,445,263,363.84/382,163.20 - Step 6: Final answer
x = 173,866.20
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Similar ratio
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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.