Finding the Fourth Proportional to 197,680.24, 296,586.20 and 131,381.20
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Solution
The fourth proportional to 197,680.24, 296,586.20 and 131,381.20 is: 197,115.56
Step by Step Solution
- Step 1: Write the proportion equation
197,680.24 : 296,586.20 = 131,381.20 : x - Step 2: Convert to fraction form
197,680.24/296,586.20 = 131,381.20/x - Step 3: Cross multiply
197,680.24x = 296,586.20 × 131,381.20 - Step 4: Simplify right side
197,680.24x = 38,965,850,859.44 - Step 5: Solve for x
x = 38,965,850,859.44/197,680.24 - Step 6: Final answer
x = 197,115.56
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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.