Finding the Fourth Proportional to 397,226.14, 548,175.64 and 215,938.42
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Solution
The fourth proportional to 397,226.14, 548,175.64 and 215,938.42 is: 297,996.96
Step by Step Solution
- Step 1: Write the proportion equation
397,226.14 : 548,175.64 = 215,938.42 : x - Step 2: Convert to fraction form
397,226.14/548,175.64 = 215,938.42/x - Step 3: Cross multiply
397,226.14x = 548,175.64 × 215,938.42 - Step 4: Simplify right side
397,226.14x = 118,372,181,584.09 - Step 5: Solve for x
x = 118,372,181,584.09/397,226.14 - Step 6: Final answer
x = 297,996.96
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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.