Finding the Fourth Proportional to 202,226.40, 303,193.80 and 132,145.20
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Solution
The fourth proportional to 202,226.40, 303,193.80 and 132,145.20 is: 198,122.53
Step by Step Solution
- Step 1: Write the proportion equation
202,226.40 : 303,193.80 = 132,145.20 : x - Step 2: Convert to fraction form
202,226.40/303,193.80 = 132,145.20/x - Step 3: Cross multiply
202,226.40x = 303,193.80 × 132,145.20 - Step 4: Simplify right side
202,226.40x = 40,065,605,339.76 - Step 5: Solve for x
x = 40,065,605,339.76/202,226.40 - Step 6: Final answer
x = 198,122.53
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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.