Finding the Fourth Proportional to 168,439.85, 252,589.84 and 68,532.23
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Solution
The fourth proportional to 168,439.85, 252,589.84 and 68,532.23 is: 102,769.88
Step by Step Solution
- Step 1: Write the proportion equation
168,439.85 : 252,589.84 = 68,532.23 : x - Step 2: Convert to fraction form
168,439.85/252,589.84 = 68,532.23/x - Step 3: Cross multiply
168,439.85x = 252,589.84 × 68,532.23 - Step 4: Simplify right side
168,439.85x = 17,310,544,435.36 - Step 5: Solve for x
x = 17,310,544,435.36/168,439.85 - Step 6: Final answer
x = 102,769.88
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1.5x scale
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.