Finding the Fourth Proportional to 757,550.77, 1,136,516.50 and 217,808.05
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Solution
The fourth proportional to 757,550.77, 1,136,516.50 and 217,808.05 is: 326,766.80
Step by Step Solution
- Step 1: Write the proportion equation
757,550.77 : 1,136,516.50 = 217,808.05 : x - Step 2: Convert to fraction form
757,550.77/1,136,516.50 = 217,808.05/x - Step 3: Cross multiply
757,550.77x = 1,136,516.50 × 217,808.05 - Step 4: Simplify right side
757,550.77x = 247,542,442,657.83 - Step 5: Solve for x
x = 247,542,442,657.83/757,550.77 - Step 6: Final answer
x = 326,766.80
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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.