Finding the Fourth Proportional to 252,872.10, 379,384.26 and 75,379.08
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Solution
The fourth proportional to 252,872.10, 379,384.26 and 75,379.08 is: 113,091.31
Step by Step Solution
- Step 1: Write the proportion equation
252,872.10 : 379,384.26 = 75,379.08 : x - Step 2: Convert to fraction form
252,872.10/379,384.26 = 75,379.08/x - Step 3: Cross multiply
252,872.10x = 379,384.26 × 75,379.08 - Step 4: Simplify right side
252,872.10x = 28,597,636,485.28 - Step 5: Solve for x
x = 28,597,636,485.28/252,872.10 - Step 6: Final answer
x = 113,091.31
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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.