Finding the Fourth Proportional to 312,906.26, 469,424.73 and 102,527.66
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Solution
The fourth proportional to 312,906.26, 469,424.73 and 102,527.66 is: 153,812.89
Step by Step Solution
- Step 1: Write the proportion equation
312,906.26 : 469,424.73 = 102,527.66 : x - Step 2: Convert to fraction form
312,906.26/469,424.73 = 102,527.66/x - Step 3: Cross multiply
312,906.26x = 469,424.73 × 102,527.66 - Step 4: Simplify right side
312,906.26x = 48,129,016,765.91 - Step 5: Solve for x
x = 48,129,016,765.91/312,906.26 - Step 6: Final answer
x = 153,812.89
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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.