Finding the Fourth Proportional to 135,221.80, 202,851.90 and 41,717.80
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Solution
The fourth proportional to 135,221.80, 202,851.90 and 41,717.80 is: 62,582.62
Step by Step Solution
- Step 1: Write the proportion equation
135,221.80 : 202,851.90 = 41,717.80 : x - Step 2: Convert to fraction form
135,221.80/202,851.90 = 41,717.80/x - Step 3: Cross multiply
135,221.80x = 202,851.90 × 41,717.80 - Step 4: Simplify right side
135,221.80x = 8,462,534,993.82 - Step 5: Solve for x
x = 8,462,534,993.82/135,221.80 - Step 6: Final answer
x = 62,582.62
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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.