Finding the Fourth Proportional to 197,772.72, 296,744.04 and 131,236.08
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Solution
The fourth proportional to 197,772.72, 296,744.04 and 131,236.08 is: 196,910.50
Step by Step Solution
- Step 1: Write the proportion equation
197,772.72 : 296,744.04 = 131,236.08 : x - Step 2: Convert to fraction form
197,772.72/296,744.04 = 131,236.08/x - Step 3: Cross multiply
197,772.72x = 296,744.04 × 131,236.08 - Step 4: Simplify right side
197,772.72x = 38,943,524,572.96 - Step 5: Solve for x
x = 38,943,524,572.96/197,772.72 - Step 6: Final answer
x = 196,910.50
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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.