Finding the Fourth Proportional to 201,620.43, 278,233.99 and 110,974.45
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Solution
The fourth proportional to 201,620.43, 278,233.99 and 110,974.45 is: 153,143.53
Step by Step Solution
- Step 1: Write the proportion equation
201,620.43 : 278,233.99 = 110,974.45 : x - Step 2: Convert to fraction form
201,620.43/278,233.99 = 110,974.45/x - Step 3: Cross multiply
201,620.43x = 278,233.99 × 110,974.45 - Step 4: Simplify right side
201,620.43x = 30,876,864,011.56 - Step 5: Solve for x
x = 30,876,864,011.56/201,620.43 - Step 6: Final answer
x = 153,143.53
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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.