Finding the Fourth Proportional to 396,361.68, 594,834.12 and 263,197.68
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Solution
The fourth proportional to 396,361.68, 594,834.12 and 263,197.68 is: 394,990.15
Step by Step Solution
- Step 1: Write the proportion equation
396,361.68 : 594,834.12 = 263,197.68 : x - Step 2: Convert to fraction form
396,361.68/594,834.12 = 263,197.68/x - Step 3: Cross multiply
396,361.68x = 594,834.12 × 263,197.68 - Step 4: Simplify right side
396,361.68x = 156,558,960,368.84 - Step 5: Solve for x
x = 156,558,960,368.84/396,361.68 - Step 6: Final answer
x = 394,990.15
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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.