Finding the Fourth Proportional to 313,571.35, 432,908.01 and 206,452.75
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Solution
The fourth proportional to 313,571.35, 432,908.01 and 206,452.75 is: 285,023.01
Step by Step Solution
- Step 1: Write the proportion equation
313,571.35 : 432,908.01 = 206,452.75 : x - Step 2: Convert to fraction form
313,571.35/432,908.01 = 206,452.75/x - Step 3: Cross multiply
313,571.35x = 432,908.01 × 206,452.75 - Step 4: Simplify right side
313,571.35x = 89,375,049,161.53 - Step 5: Solve for x
x = 89,375,049,161.53/313,571.35 - Step 6: Final answer
x = 285,023.01
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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.