Finding the Fourth Proportional to 168,310.80, 252,028.80 and 133,027.20
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Solution
The fourth proportional to 168,310.80, 252,028.80 and 133,027.20 is: 199,195.09
Step by Step Solution
- Step 1: Write the proportion equation
168,310.80 : 252,028.80 = 133,027.20 : x - Step 2: Convert to fraction form
168,310.80/252,028.80 = 133,027.20/x - Step 3: Cross multiply
168,310.80x = 252,028.80 × 133,027.20 - Step 4: Simplify right side
168,310.80x = 33,526,685,583.36 - Step 5: Solve for x
x = 33,526,685,583.36/168,310.80 - Step 6: Final answer
x = 199,195.09
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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.