Finding the Fourth Proportional to 251,717.85, 377,576.32 and 74,349.42
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Solution
The fourth proportional to 251,717.85, 377,576.32 and 74,349.42 is: 111,523.99
Step by Step Solution
- Step 1: Write the proportion equation
251,717.85 : 377,576.32 = 74,349.42 : x - Step 2: Convert to fraction form
251,717.85/377,576.32 = 74,349.42/x - Step 3: Cross multiply
251,717.85x = 377,576.32 × 74,349.42 - Step 4: Simplify right side
251,717.85x = 28,072,580,310.95 - Step 5: Solve for x
x = 28,072,580,310.95/251,717.85 - Step 6: Final answer
x = 111,523.99
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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.