Finding the Fourth Proportional to 135,190.98, 202,814.96 and 40,428.54
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Solution
The fourth proportional to 135,190.98, 202,814.96 and 40,428.54 is: 60,651.33
Step by Step Solution
- Step 1: Write the proportion equation
135,190.98 : 202,814.96 = 40,428.54 : x - Step 2: Convert to fraction form
135,190.98/202,814.96 = 40,428.54/x - Step 3: Cross multiply
135,190.98x = 202,814.96 × 40,428.54 - Step 4: Simplify right side
135,190.98x = 8,199,512,520.82 - Step 5: Solve for x
x = 8,199,512,520.82/135,190.98 - Step 6: Final answer
x = 60,651.33
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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.