Finding the Fourth Proportional to 206,036.75, 284,336.99 and 115,392.48
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Solution
The fourth proportional to 206,036.75, 284,336.99 and 115,392.48 is: 159,245.14
Step by Step Solution
- Step 1: Write the proportion equation
206,036.75 : 284,336.99 = 115,392.48 : x - Step 2: Convert to fraction form
206,036.75/284,336.99 = 115,392.48/x - Step 3: Cross multiply
206,036.75x = 284,336.99 × 115,392.48 - Step 4: Simplify right side
206,036.75x = 32,810,349,854.87 - Step 5: Solve for x
x = 32,810,349,854.87/206,036.75 - Step 6: Final answer
x = 159,245.14
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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.