Finding the Fourth Proportional to 187,414.97, 258,634.76 and 101,375.69
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Solution
The fourth proportional to 187,414.97, 258,634.76 and 101,375.69 is: 139,899.58
Step by Step Solution
- Step 1: Write the proportion equation
187,414.97 : 258,634.76 = 101,375.69 : x - Step 2: Convert to fraction form
187,414.97/258,634.76 = 101,375.69/x - Step 3: Cross multiply
187,414.97x = 258,634.76 × 101,375.69 - Step 4: Simplify right side
187,414.97x = 26,219,275,452.93 - Step 5: Solve for x
x = 26,219,275,452.93/187,414.97 - Step 6: Final answer
x = 139,899.58
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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.