Finding the Fourth Proportional to 136,310.82, 204,454.48 and 82,988.99
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Solution
The fourth proportional to 136,310.82, 204,454.48 and 82,988.99 is: 124,476.33
Step by Step Solution
- Step 1: Write the proportion equation
136,310.82 : 204,454.48 = 82,988.99 : x - Step 2: Convert to fraction form
136,310.82/204,454.48 = 82,988.99/x - Step 3: Cross multiply
136,310.82x = 204,454.48 × 82,988.99 - Step 4: Simplify right side
136,310.82x = 16,967,470,796.18 - Step 5: Solve for x
x = 16,967,470,796.18/136,310.82 - Step 6: Final answer
x = 124,476.33
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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.