Finding the Fourth Proportional to 201,694.90, 302,542.35 and 83,451.10
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Solution
The fourth proportional to 201,694.90, 302,542.35 and 83,451.10 is: 125,176.65
Step by Step Solution
- Step 1: Write the proportion equation
201,694.90 : 302,542.35 = 83,451.10 : x - Step 2: Convert to fraction form
201,694.90/302,542.35 = 83,451.10/x - Step 3: Cross multiply
201,694.90x = 302,542.35 × 83,451.10 - Step 4: Simplify right side
201,694.90x = 25,247,491,904.09 - Step 5: Solve for x
x = 25,247,491,904.09/201,694.90 - Step 6: Final answer
x = 125,176.65
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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.