Finding the Fourth Proportional to 80,578.14, 120,792.09 and 27,232.82
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Solution
The fourth proportional to 80,578.14, 120,792.09 and 27,232.82 is: 40,823.84
Step by Step Solution
- Step 1: Write the proportion equation
80,578.14 : 120,792.09 = 27,232.82 : x - Step 2: Convert to fraction form
80,578.14/120,792.09 = 27,232.82/x - Step 3: Cross multiply
80,578.14x = 120,792.09 × 27,232.82 - Step 4: Simplify right side
80,578.14x = 3,289,509,042.34 - Step 5: Solve for x
x = 3,289,509,042.34/80,578.14 - Step 6: Final answer
x = 40,823.84
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1.5x scale
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.