Finding the Fourth Proportional to 373,755.13, 515,748.97 and 208,170.47
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Solution
The fourth proportional to 373,755.13, 515,748.97 and 208,170.47 is: 287,256.80
Step by Step Solution
- Step 1: Write the proportion equation
373,755.13 : 515,748.97 = 208,170.47 : x - Step 2: Convert to fraction form
373,755.13/515,748.97 = 208,170.47/x - Step 3: Cross multiply
373,755.13x = 515,748.97 × 208,170.47 - Step 4: Simplify right side
373,755.13x = 107,363,702,387.75 - Step 5: Solve for x
x = 107,363,702,387.75/373,755.13 - Step 6: Final answer
x = 287,256.80
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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.