Finding the Fourth Proportional to 378,578.80, 567,385.80 and 201,170.80
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Solution
The fourth proportional to 378,578.80, 567,385.80 and 201,170.80 is: 301,499.86
Step by Step Solution
- Step 1: Write the proportion equation
378,578.80 : 567,385.80 = 201,170.80 : x - Step 2: Convert to fraction form
378,578.80/567,385.80 = 201,170.80/x - Step 3: Cross multiply
378,578.80x = 567,385.80 × 201,170.80 - Step 4: Simplify right side
378,578.80x = 114,141,455,294.64 - Step 5: Solve for x
x = 114,141,455,294.64/378,578.80 - Step 6: Final answer
x = 301,499.86
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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.