Finding the Fourth Proportional to 252,751.86, 379,023.57 and 102,890.70
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Solution
The fourth proportional to 252,751.86, 379,023.57 and 102,890.70 is: 154,293.62
Step by Step Solution
- Step 1: Write the proportion equation
252,751.86 : 379,023.57 = 102,890.70 : x - Step 2: Convert to fraction form
252,751.86/379,023.57 = 102,890.70/x - Step 3: Cross multiply
252,751.86x = 379,023.57 × 102,890.70 - Step 4: Simplify right side
252,751.86x = 38,998,000,433.80 - Step 5: Solve for x
x = 38,998,000,433.80/252,751.86 - Step 6: Final answer
x = 154,293.62
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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.