Finding the Fourth Proportional to 206,240.85, 284,079.99 and 145,706.41
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Solution
The fourth proportional to 206,240.85, 284,079.99 and 145,706.41 is: 200,698.73
Step by Step Solution
- Step 1: Write the proportion equation
206,240.85 : 284,079.99 = 145,706.41 : x - Step 2: Convert to fraction form
206,240.85/284,079.99 = 145,706.41/x - Step 3: Cross multiply
206,240.85x = 284,079.99 × 145,706.41 - Step 4: Simplify right side
206,240.85x = 41,392,276,397.23 - Step 5: Solve for x
x = 41,392,276,397.23/206,240.85 - Step 6: Final answer
x = 200,698.73
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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.