Finding the Fourth Proportional to 358,906.97, 495,313.67 and 197,761.97
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Solution
The fourth proportional to 358,906.97, 495,313.67 and 197,761.97 is: 272,923.67
Step by Step Solution
- Step 1: Write the proportion equation
358,906.97 : 495,313.67 = 197,761.97 : x - Step 2: Convert to fraction form
358,906.97/495,313.67 = 197,761.97/x - Step 3: Cross multiply
358,906.97x = 495,313.67 × 197,761.97 - Step 4: Simplify right side
358,906.97x = 97,954,207,147.13 - Step 5: Solve for x
x = 97,954,207,147.13/358,906.97 - Step 6: Final answer
x = 272,923.67
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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.