Finding the Fourth Proportional to 168,047.14, 252,175.79 and 68,207.32
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Solution
The fourth proportional to 168,047.14, 252,175.79 and 68,207.32 is: 102,353.63
Step by Step Solution
- Step 1: Write the proportion equation
168,047.14 : 252,175.79 = 68,207.32 : x - Step 2: Convert to fraction form
168,047.14/252,175.79 = 68,207.32/x - Step 3: Cross multiply
168,047.14x = 252,175.79 × 68,207.32 - Step 4: Simplify right side
168,047.14x = 17,200,234,804.78 - Step 5: Solve for x
x = 17,200,234,804.78/168,047.14 - Step 6: Final answer
x = 102,353.63
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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.