Finding the Fourth Proportional to 217,412.70, 303,755.70 and 217,412.70
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Solution
The fourth proportional to 217,412.70, 303,755.70 and 217,412.70 is: 303,755.70
Step by Step Solution
- Step 1: Write the proportion equation
217,412.70 : 303,755.70 = 217,412.70 : x - Step 2: Convert to fraction form
217,412.70/303,755.70 = 217,412.70/x - Step 3: Cross multiply
217,412.70x = 303,755.70 × 217,412.70 - Step 4: Simplify right side
217,412.70x = 66,040,346,877.39 - Step 5: Solve for x
x = 66,040,346,877.39/217,412.70 - Step 6: Final answer
x = 303,755.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.