Finding the Fourth Proportional to 358,995.92, 495,414.36 and 197,850.96
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Solution
The fourth proportional to 358,995.92, 495,414.36 and 197,850.96 is: 273,034.32
Step by Step Solution
- Step 1: Write the proportion equation
358,995.92 : 495,414.36 = 197,850.96 : x - Step 2: Convert to fraction form
358,995.92/495,414.36 = 197,850.96/x - Step 3: Cross multiply
358,995.92x = 495,414.36 × 197,850.96 - Step 4: Simplify right side
358,995.92x = 98,018,206,723.79 - Step 5: Solve for x
x = 98,018,206,723.79/358,995.92 - Step 6: Final answer
x = 273,034.32
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1.5x scale
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.