Finding the Fourth Proportional to 352,793.08, 486,857.91 and 191,649.43
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Solution
The fourth proportional to 352,793.08, 486,857.91 and 191,649.43 is: 264,478.09
Step by Step Solution
- Step 1: Write the proportion equation
352,793.08 : 486,857.91 = 191,649.43 : x - Step 2: Convert to fraction form
352,793.08/486,857.91 = 191,649.43/x - Step 3: Cross multiply
352,793.08x = 486,857.91 × 191,649.43 - Step 4: Simplify right side
352,793.08x = 93,306,040,942.49 - Step 5: Solve for x
x = 93,306,040,942.49/352,793.08 - Step 6: Final answer
x = 264,478.09
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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.