Finding the Fourth Proportional to 180,920.20, 271,157.10 and 131,171.08
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Solution
The fourth proportional to 180,920.20, 271,157.10 and 131,171.08 is: 196,594.80
Step by Step Solution
- Step 1: Write the proportion equation
180,920.20 : 271,157.10 = 131,171.08 : x - Step 2: Convert to fraction form
180,920.20/271,157.10 = 131,171.08/x - Step 3: Cross multiply
180,920.20x = 271,157.10 × 131,171.08 - Step 4: Simplify right side
180,920.20x = 35,567,969,656.67 - Step 5: Solve for x
x = 35,567,969,656.67/180,920.20 - Step 6: Final answer
x = 196,594.80
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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.