Finding the Fourth Proportional to 378,465.40, 567,601.32 and 112,163.80
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Solution
The fourth proportional to 378,465.40, 567,601.32 and 112,163.80 is: 168,217.02
Step by Step Solution
- Step 1: Write the proportion equation
378,465.40 : 567,601.32 = 112,163.80 : x - Step 2: Convert to fraction form
378,465.40/567,601.32 = 112,163.80/x - Step 3: Cross multiply
378,465.40x = 567,601.32 × 112,163.80 - Step 4: Simplify right side
378,465.40x = 63,664,320,936.22 - Step 5: Solve for x
x = 63,664,320,936.22/378,465.40 - Step 6: Final answer
x = 168,217.02
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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.