Finding the Fourth Proportional to 671,512.68, 1,007,236.22 and 250,755.75
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Solution
The fourth proportional to 671,512.68, 1,007,236.22 and 250,755.75 is: 376,121.37
Step by Step Solution
- Step 1: Write the proportion equation
671,512.68 : 1,007,236.22 = 250,755.75 : x - Step 2: Convert to fraction form
671,512.68/1,007,236.22 = 250,755.75/x - Step 3: Cross multiply
671,512.68x = 1,007,236.22 × 250,755.75 - Step 4: Simplify right side
671,512.68x = 252,570,272,519.49 - Step 5: Solve for x
x = 252,570,272,519.49/671,512.68 - Step 6: Final answer
x = 376,121.37
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1.5x scale
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.