Finding the Fourth Proportional to 146,633.26, 220,105.42 and 129,875.06
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Solution
The fourth proportional to 146,633.26, 220,105.42 and 129,875.06 is: 194,950.35
Step by Step Solution
- Step 1: Write the proportion equation
146,633.26 : 220,105.42 = 129,875.06 : x - Step 2: Convert to fraction form
146,633.26/220,105.42 = 129,875.06/x - Step 3: Cross multiply
146,633.26x = 220,105.42 × 129,875.06 - Step 4: Simplify right side
146,633.26x = 28,586,204,628.83 - Step 5: Solve for x
x = 28,586,204,628.83/146,633.26 - Step 6: Final answer
x = 194,950.35
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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.