Finding the Fourth Proportional to 356,717.36, 492,273.99 and 203,775.80
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Solution
The fourth proportional to 356,717.36, 492,273.99 and 203,775.80 is: 281,212.90
Step by Step Solution
- Step 1: Write the proportion equation
356,717.36 : 492,273.99 = 203,775.80 : x - Step 2: Convert to fraction form
356,717.36/492,273.99 = 203,775.80/x - Step 3: Cross multiply
356,717.36x = 492,273.99 × 203,775.80 - Step 4: Simplify right side
356,717.36x = 100,313,523,670.07 - Step 5: Solve for x
x = 100,313,523,670.07/356,717.36 - Step 6: Final answer
x = 281,212.90
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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.