Finding the Fourth Proportional to 213,917.49, 320,414.92 and 201,341.17
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Solution
The fourth proportional to 213,917.49, 320,414.92 and 201,341.17 is: 301,577.56
Step by Step Solution
- Step 1: Write the proportion equation
213,917.49 : 320,414.92 = 201,341.17 : x - Step 2: Convert to fraction form
213,917.49/320,414.92 = 201,341.17/x - Step 3: Cross multiply
213,917.49x = 320,414.92 × 201,341.17 - Step 4: Simplify right side
213,917.49x = 64,512,714,878.26 - Step 5: Solve for x
x = 64,512,714,878.26/213,917.49 - Step 6: Final answer
x = 301,577.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.