Finding the Fourth Proportional to 378,144.24, 567,216.35 and 259,455.75
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Solution
The fourth proportional to 378,144.24, 567,216.35 and 259,455.75 is: 389,183.62
Step by Step Solution
- Step 1: Write the proportion equation
378,144.24 : 567,216.35 = 259,455.75 : x - Step 2: Convert to fraction form
378,144.24/567,216.35 = 259,455.75/x - Step 3: Cross multiply
378,144.24x = 567,216.35 × 259,455.75 - Step 4: Simplify right side
378,144.24x = 147,167,543,501.51 - Step 5: Solve for x
x = 147,167,543,501.51/378,144.24 - Step 6: Final answer
x = 389,183.62
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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.