Finding the Fourth Proportional to 285,772.48, 394,286.18 and 225,154.96
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Solution
The fourth proportional to 285,772.48, 394,286.18 and 225,154.96 is: 310,650.94
Step by Step Solution
- Step 1: Write the proportion equation
285,772.48 : 394,286.18 = 225,154.96 : x - Step 2: Convert to fraction form
285,772.48/394,286.18 = 225,154.96/x - Step 3: Cross multiply
285,772.48x = 394,286.18 × 225,154.96 - Step 4: Simplify right side
285,772.48x = 88,775,489,086.45 - Step 5: Solve for x
x = 88,775,489,086.45/285,772.48 - Step 6: Final answer
x = 310,650.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.