Finding the Fourth Proportional to 252,791.23, 379,186.84 and 75,293.63
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Solution
The fourth proportional to 252,791.23, 379,186.84 and 75,293.63 is: 112,940.44
Step by Step Solution
- Step 1: Write the proportion equation
252,791.23 : 379,186.84 = 75,293.63 : x - Step 2: Convert to fraction form
252,791.23/379,186.84 = 75,293.63/x - Step 3: Cross multiply
252,791.23x = 379,186.84 × 75,293.63 - Step 4: Simplify right side
252,791.23x = 28,550,352,397.26 - Step 5: Solve for x
x = 28,550,352,397.26/252,791.23 - Step 6: Final answer
x = 112,940.44
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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.