Finding the Fourth Proportional to 375,231.97, 517,816.49 and 203,145.54
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Solution
The fourth proportional to 375,231.97, 517,816.49 and 203,145.54 is: 280,338.88
Step by Step Solution
- Step 1: Write the proportion equation
375,231.97 : 517,816.49 = 203,145.54 : x - Step 2: Convert to fraction form
375,231.97/517,816.49 = 203,145.54/x - Step 3: Cross multiply
375,231.97x = 517,816.49 × 203,145.54 - Step 4: Simplify right side
375,231.97x = 105,192,110,481.96 - Step 5: Solve for x
x = 105,192,110,481.96/375,231.97 - Step 6: Final answer
x = 280,338.88
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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.