Finding the Fourth Proportional to 313,849.05, 470,319.21 and 216,375.62
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Solution
The fourth proportional to 313,849.05, 470,319.21 and 216,375.62 is: 324,250.17
Step by Step Solution
- Step 1: Write the proportion equation
313,849.05 : 470,319.21 = 216,375.62 : x - Step 2: Convert to fraction form
313,849.05/470,319.21 = 216,375.62/x - Step 3: Cross multiply
313,849.05x = 470,319.21 × 216,375.62 - Step 4: Simplify right side
313,849.05x = 101,765,608,310.06 - Step 5: Solve for x
x = 101,765,608,310.06/313,849.05 - Step 6: Final answer
x = 324,250.17
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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.