Finding the Fourth Proportional to 410,727.70, 616,149.87 and 126,441.91
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Solution
The fourth proportional to 410,727.70, 616,149.87 and 126,441.91 is: 189,680.82
Step by Step Solution
- Step 1: Write the proportion equation
410,727.70 : 616,149.87 = 126,441.91 : x - Step 2: Convert to fraction form
410,727.70/616,149.87 = 126,441.91/x - Step 3: Cross multiply
410,727.70x = 616,149.87 × 126,441.91 - Step 4: Simplify right side
410,727.70x = 77,907,166,409.05 - Step 5: Solve for x
x = 77,907,166,409.05/410,727.70 - Step 6: Final answer
x = 189,680.82
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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.