Finding the Fourth Proportional to 131,882.92, 197,259.20 and 122,310.54
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Solution
The fourth proportional to 131,882.92, 197,259.20 and 122,310.54 is: 182,941.65
Step by Step Solution
- Step 1: Write the proportion equation
131,882.92 : 197,259.20 = 122,310.54 : x - Step 2: Convert to fraction form
131,882.92/197,259.20 = 122,310.54/x - Step 3: Cross multiply
131,882.92x = 197,259.20 × 122,310.54 - Step 4: Simplify right side
131,882.92x = 24,126,879,119.08 - Step 5: Solve for x
x = 24,126,879,119.08/131,882.92 - Step 6: Final answer
x = 182,941.65
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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.