Finding the Fourth Proportional to 378,507.35, 567,997.39 and 252,236.19
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Solution
The fourth proportional to 378,507.35, 567,997.39 and 252,236.19 is: 378,511.80
Step by Step Solution
- Step 1: Write the proportion equation
378,507.35 : 567,997.39 = 252,236.19 : x - Step 2: Convert to fraction form
378,507.35/567,997.39 = 252,236.19/x - Step 3: Cross multiply
378,507.35x = 567,997.39 × 252,236.19 - Step 4: Simplify right side
378,507.35x = 143,269,497,347.66 - Step 5: Solve for x
x = 143,269,497,347.66/378,507.35 - Step 6: Final answer
x = 378,511.80
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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.