Finding the Fourth Proportional to 378,797.96, 567,655.50 and 278,168.84
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Solution
The fourth proportional to 378,797.96, 567,655.50 and 278,168.84 is: 416,855.66
Step by Step Solution
- Step 1: Write the proportion equation
378,797.96 : 567,655.50 = 278,168.84 : x - Step 2: Convert to fraction form
378,797.96/567,655.50 = 278,168.84/x - Step 3: Cross multiply
378,797.96x = 567,655.50 × 278,168.84 - Step 4: Simplify right side
378,797.96x = 157,904,071,954.62 - Step 5: Solve for x
x = 157,904,071,954.62/378,797.96 - Step 6: Final answer
x = 416,855.66
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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.