Finding the Fourth Proportional to 206,846.28, 310,192.79 and 73,691.19
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Solution
The fourth proportional to 206,846.28, 310,192.79 and 73,691.19 is: 110,509.48
Step by Step Solution
- Step 1: Write the proportion equation
206,846.28 : 310,192.79 = 73,691.19 : x - Step 2: Convert to fraction form
206,846.28/310,192.79 = 73,691.19/x - Step 3: Cross multiply
206,846.28x = 310,192.79 × 73,691.19 - Step 4: Simplify right side
206,846.28x = 22,858,475,456.06 - Step 5: Solve for x
x = 22,858,475,456.06/206,846.28 - Step 6: Final answer
x = 110,509.48
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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.