Finding the Fourth Proportional to 217,710.97, 326,578.61 and 67,971.94
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Solution
The fourth proportional to 217,710.97, 326,578.61 and 67,971.94 is: 101,961.70
Step by Step Solution
- Step 1: Write the proportion equation
217,710.97 : 326,578.61 = 67,971.94 : x - Step 2: Convert to fraction form
217,710.97/326,578.61 = 67,971.94/x - Step 3: Cross multiply
217,710.97x = 326,578.61 × 67,971.94 - Step 4: Simplify right side
217,710.97x = 22,198,179,711.45 - Step 5: Solve for x
x = 22,198,179,711.45/217,710.97 - Step 6: Final answer
x = 101,961.70
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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.