Finding the Fourth Proportional to 202,129.20, 303,193.80 and 179,578.80
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Solution
The fourth proportional to 202,129.20, 303,193.80 and 179,578.80 is: 269,368.20
Step by Step Solution
- Step 1: Write the proportion equation
202,129.20 : 303,193.80 = 179,578.80 : x - Step 2: Convert to fraction form
202,129.20/303,193.80 = 179,578.80/x - Step 3: Cross multiply
202,129.20x = 303,193.80 × 179,578.80 - Step 4: Simplify right side
202,129.20x = 54,447,178,771.44 - Step 5: Solve for x
x = 54,447,178,771.44/202,129.20 - Step 6: Final answer
x = 269,368.20
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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.