Finding the Fourth Proportional to 107,722.71, 161,583.84 and 28,836.99
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Solution
The fourth proportional to 107,722.71, 161,583.84 and 28,836.99 is: 43,255.42
Step by Step Solution
- Step 1: Write the proportion equation
107,722.71 : 161,583.84 = 28,836.99 : x - Step 2: Convert to fraction form
107,722.71/161,583.84 = 28,836.99/x - Step 3: Cross multiply
107,722.71x = 161,583.84 × 28,836.99 - Step 4: Simplify right side
107,722.71x = 4,659,591,578.24 - Step 5: Solve for x
x = 4,659,591,578.24/107,722.71 - Step 6: Final answer
x = 43,255.42
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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.