Finding the Fourth Proportional to 168,203.38, 252,305.04 and 115,452.94
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Solution
The fourth proportional to 168,203.38, 252,305.04 and 115,452.94 is: 173,179.39
Step by Step Solution
- Step 1: Write the proportion equation
168,203.38 : 252,305.04 = 115,452.94 : x - Step 2: Convert to fraction form
168,203.38/252,305.04 = 115,452.94/x - Step 3: Cross multiply
168,203.38x = 252,305.04 × 115,452.94 - Step 4: Simplify right side
168,203.38x = 29,129,358,644.82 - Step 5: Solve for x
x = 29,129,358,644.82/168,203.38 - Step 6: Final answer
x = 173,179.39
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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.