Finding the Fourth Proportional to 202,189.20, 303,348.60 and 135,704.40
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Solution
The fourth proportional to 202,189.20, 303,348.60 and 135,704.40 is: 203,600.09
Step by Step Solution
- Step 1: Write the proportion equation
202,189.20 : 303,348.60 = 135,704.40 : x - Step 2: Convert to fraction form
202,189.20/303,348.60 = 135,704.40/x - Step 3: Cross multiply
202,189.20x = 303,348.60 × 135,704.40 - Step 4: Simplify right side
202,189.20x = 41,165,739,753.84 - Step 5: Solve for x
x = 41,165,739,753.84/202,189.20 - Step 6: Final answer
x = 203,600.09
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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.