Finding the Fourth Proportional to 174,728.20, 261,872.94 and 74,770.84
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Solution
The fourth proportional to 174,728.20, 261,872.94 and 74,770.84 is: 112,062.39
Step by Step Solution
- Step 1: Write the proportion equation
174,728.20 : 261,872.94 = 74,770.84 : x - Step 2: Convert to fraction form
174,728.20/261,872.94 = 74,770.84/x - Step 3: Cross multiply
174,728.20x = 261,872.94 × 74,770.84 - Step 4: Simplify right side
174,728.20x = 19,580,459,697.07 - Step 5: Solve for x
x = 19,580,459,697.07/174,728.20 - Step 6: Final answer
x = 112,062.39
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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.