Finding the Fourth Proportional to 330,181.75, 495,273.84 and 80,863.75
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Solution
The fourth proportional to 330,181.75, 495,273.84 and 80,863.75 is: 121,295.92
Step by Step Solution
- Step 1: Write the proportion equation
330,181.75 : 495,273.84 = 80,863.75 : x - Step 2: Convert to fraction form
330,181.75/495,273.84 = 80,863.75/x - Step 3: Cross multiply
330,181.75x = 495,273.84 × 80,863.75 - Step 4: Simplify right side
330,181.75x = 40,049,699,979.30 - Step 5: Solve for x
x = 40,049,699,979.30/330,181.75 - Step 6: Final answer
x = 121,295.92
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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.