Finding the Fourth Proportional to 201,635.20, 302,452.80 and 198,524.80
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Solution
The fourth proportional to 201,635.20, 302,452.80 and 198,524.80 is: 297,787.20
Step by Step Solution
- Step 1: Write the proportion equation
201,635.20 : 302,452.80 = 198,524.80 : x - Step 2: Convert to fraction form
201,635.20/302,452.80 = 198,524.80/x - Step 3: Cross multiply
201,635.20x = 302,452.80 × 198,524.80 - Step 4: Simplify right side
201,635.20x = 60,044,381,629.44 - Step 5: Solve for x
x = 60,044,381,629.44/201,635.20 - Step 6: Final answer
x = 297,787.20
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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.