Finding the Fourth Proportional to 201,548.25, 302,354.91 and 68,414.49
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Solution
The fourth proportional to 201,548.25, 302,354.91 and 68,414.49 is: 102,632.78
Step by Step Solution
- Step 1: Write the proportion equation
201,548.25 : 302,354.91 = 68,414.49 : x - Step 2: Convert to fraction form
201,548.25/302,354.91 = 68,414.49/x - Step 3: Cross multiply
201,548.25x = 302,354.91 × 68,414.49 - Step 4: Simplify right side
201,548.25x = 20,685,456,966.65 - Step 5: Solve for x
x = 20,685,456,966.65/201,548.25 - Step 6: Final answer
x = 102,632.78
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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.