Finding the Fourth Proportional to 219,793.75, 329,717.07 and 77,609.77
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Solution
The fourth proportional to 219,793.75, 329,717.07 and 77,609.77 is: 116,423.99
Step by Step Solution
- Step 1: Write the proportion equation
219,793.75 : 329,717.07 = 77,609.77 : x - Step 2: Convert to fraction form
219,793.75/329,717.07 = 77,609.77/x - Step 3: Cross multiply
219,793.75x = 329,717.07 × 77,609.77 - Step 4: Simplify right side
219,793.75x = 25,589,265,967.77 - Step 5: Solve for x
x = 25,589,265,967.77/219,793.75 - Step 6: Final answer
x = 116,423.99
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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.