Finding the Fourth Proportional to 219,982.08, 303,418.41 and 201,891.09
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Solution
The fourth proportional to 219,982.08, 303,418.41 and 201,891.09 is: 278,465.74
Step by Step Solution
- Step 1: Write the proportion equation
219,982.08 : 303,418.41 = 201,891.09 : x - Step 2: Convert to fraction form
219,982.08/303,418.41 = 201,891.09/x - Step 3: Cross multiply
219,982.08x = 303,418.41 × 201,891.09 - Step 4: Simplify right side
219,982.08x = 61,257,473,520.97 - Step 5: Solve for x
x = 61,257,473,520.97/219,982.08 - Step 6: Final answer
x = 278,465.74
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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.