Finding the Fourth Proportional to 371,508.26, 512,684.24 and 201,742.38
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Solution
The fourth proportional to 371,508.26, 512,684.24 and 201,742.38 is: 278,406.03
Step by Step Solution
- Step 1: Write the proportion equation
371,508.26 : 512,684.24 = 201,742.38 : x - Step 2: Convert to fraction form
371,508.26/512,684.24 = 201,742.38/x - Step 3: Cross multiply
371,508.26x = 512,684.24 × 201,742.38 - Step 4: Simplify right side
371,508.26x = 103,430,137,757.38 - Step 5: Solve for x
x = 103,430,137,757.38/371,508.26 - Step 6: Final answer
x = 278,406.03
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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.