Finding the Fourth Proportional to 135,218.26, 202,832.48 and 40,449.70
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Solution
The fourth proportional to 135,218.26, 202,832.48 and 40,449.70 is: 60,676.07
Step by Step Solution
- Step 1: Write the proportion equation
135,218.26 : 202,832.48 = 40,449.70 : x - Step 2: Convert to fraction form
135,218.26/202,832.48 = 40,449.70/x - Step 3: Cross multiply
135,218.26x = 202,832.48 × 40,449.70 - Step 4: Simplify right side
135,218.26x = 8,204,512,966.26 - Step 5: Solve for x
x = 8,204,512,966.26/135,218.26 - Step 6: Final answer
x = 60,676.07
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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.