Finding the Fourth Proportional to 135,146.12, 202,742.22 and 41,649.80
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Solution
The fourth proportional to 135,146.12, 202,742.22 and 41,649.80 is: 62,481.80
Step by Step Solution
- Step 1: Write the proportion equation
135,146.12 : 202,742.22 = 41,649.80 : x - Step 2: Convert to fraction form
135,146.12/202,742.22 = 41,649.80/x - Step 3: Cross multiply
135,146.12x = 202,742.22 × 41,649.80 - Step 4: Simplify right side
135,146.12x = 8,444,172,914.56 - Step 5: Solve for x
x = 8,444,172,914.56/135,146.12 - Step 6: Final answer
x = 62,481.80
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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.