Finding the Fourth Proportional to 221,953.24, 332,961.36 and 72,144.92
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Solution
The fourth proportional to 221,953.24, 332,961.36 and 72,144.92 is: 108,227.62
Step by Step Solution
- Step 1: Write the proportion equation
221,953.24 : 332,961.36 = 72,144.92 : x - Step 2: Convert to fraction form
221,953.24/332,961.36 = 72,144.92/x - Step 3: Cross multiply
221,953.24x = 332,961.36 × 72,144.92 - Step 4: Simplify right side
221,953.24x = 24,021,470,680.29 - Step 5: Solve for x
x = 24,021,470,680.29/221,953.24 - Step 6: Final answer
x = 108,227.62
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1.5x scale
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.