Finding the Fourth Proportional to 505,914.05, 698,170.59 and 276,481.08
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Solution
The fourth proportional to 505,914.05, 698,170.59 and 276,481.08 is: 381,548.92
Step by Step Solution
- Step 1: Write the proportion equation
505,914.05 : 698,170.59 = 276,481.08 : x - Step 2: Convert to fraction form
505,914.05/698,170.59 = 276,481.08/x - Step 3: Cross multiply
505,914.05x = 698,170.59 × 276,481.08 - Step 4: Simplify right side
505,914.05x = 193,030,958,747.44 - Step 5: Solve for x
x = 193,030,958,747.44/505,914.05 - Step 6: Final answer
x = 381,548.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.