Finding the Fourth Proportional to 206,310.60, 284,722.24 and 115,672.48
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Solution
The fourth proportional to 206,310.60, 284,722.24 and 115,672.48 is: 159,635.65
Step by Step Solution
- Step 1: Write the proportion equation
206,310.60 : 284,722.24 = 115,672.48 : x - Step 2: Convert to fraction form
206,310.60/284,722.24 = 115,672.48/x - Step 3: Cross multiply
206,310.60x = 284,722.24 × 115,672.48 - Step 4: Simplify right side
206,310.60x = 32,934,527,611.96 - Step 5: Solve for x
x = 32,934,527,611.96/206,310.60 - Step 6: Final answer
x = 159,635.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.