Finding the Fourth Proportional to 371,399.92, 512,531.89 and 201,634.05
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Solution
The fourth proportional to 371,399.92, 512,531.89 and 201,634.05 is: 278,254.99
Step by Step Solution
- Step 1: Write the proportion equation
371,399.92 : 512,531.89 = 201,634.05 : x - Step 2: Convert to fraction form
371,399.92/512,531.89 = 201,634.05/x - Step 3: Cross multiply
371,399.92x = 512,531.89 × 201,634.05 - Step 4: Simplify right side
371,399.92x = 103,343,880,734.86 - Step 5: Solve for x
x = 103,343,880,734.86/371,399.92 - Step 6: Final answer
x = 278,254.99
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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.