Finding the Fourth Proportional to 352,483.38, 486,435.29 and 209,243.97
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Solution
The fourth proportional to 352,483.38, 486,435.29 and 209,243.97 is: 288,761.56
Step by Step Solution
- Step 1: Write the proportion equation
352,483.38 : 486,435.29 = 209,243.97 : x - Step 2: Convert to fraction form
352,483.38/486,435.29 = 209,243.97/x - Step 3: Cross multiply
352,483.38x = 486,435.29 × 209,243.97 - Step 4: Simplify right side
352,483.38x = 101,783,650,181.48 - Step 5: Solve for x
x = 101,783,650,181.48/352,483.38 - Step 6: Final answer
x = 288,761.56
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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.