Finding the Fourth Proportional to 207,634.89, 286,544.97 and 115,754.15
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Solution
The fourth proportional to 207,634.89, 286,544.97 and 115,754.15 is: 159,745.65
Step by Step Solution
- Step 1: Write the proportion equation
207,634.89 : 286,544.97 = 115,754.15 : x - Step 2: Convert to fraction form
207,634.89/286,544.97 = 115,754.15/x - Step 3: Cross multiply
207,634.89x = 286,544.97 × 115,754.15 - Step 4: Simplify right side
207,634.89x = 33,168,770,120.09 - Step 5: Solve for x
x = 33,168,770,120.09/207,634.89 - Step 6: Final answer
x = 159,745.65
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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.