Finding the Fourth Proportional to 206,179.38, 284,527.35 and 115,536.06
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Solution
The fourth proportional to 206,179.38, 284,527.35 and 115,536.06 is: 159,439.65
Step by Step Solution
- Step 1: Write the proportion equation
206,179.38 : 284,527.35 = 115,536.06 : x - Step 2: Convert to fraction form
206,179.38/284,527.35 = 115,536.06/x - Step 3: Cross multiply
206,179.38x = 284,527.35 × 115,536.06 - Step 4: Simplify right side
206,179.38x = 32,873,168,981.24 - Step 5: Solve for x
x = 32,873,168,981.24/206,179.38 - Step 6: Final answer
x = 159,439.65
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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.