Finding the Fourth Proportional to 174,388.24, 261,766.68 and 80,984.08
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Solution
The fourth proportional to 174,388.24, 261,766.68 and 80,984.08 is: 121,561.72
Step by Step Solution
- Step 1: Write the proportion equation
174,388.24 : 261,766.68 = 80,984.08 : x - Step 2: Convert to fraction form
174,388.24/261,766.68 = 80,984.08/x - Step 3: Cross multiply
174,388.24x = 261,766.68 × 80,984.08 - Step 4: Simplify right side
174,388.24x = 21,198,933,754.45 - Step 5: Solve for x
x = 21,198,933,754.45/174,388.24 - Step 6: Final answer
x = 121,561.72
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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.