Finding the Fourth Proportional to 326,979.91, 451,274.57 and 183,739.97
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Solution
The fourth proportional to 326,979.91, 451,274.57 and 183,739.97 is: 253,584.92
Step by Step Solution
- Step 1: Write the proportion equation
326,979.91 : 451,274.57 = 183,739.97 : x - Step 2: Convert to fraction form
326,979.91/451,274.57 = 183,739.97/x - Step 3: Cross multiply
326,979.91x = 451,274.57 × 183,739.97 - Step 4: Simplify right side
326,979.91x = 82,917,175,066.10 - Step 5: Solve for x
x = 82,917,175,066.10/326,979.91 - Step 6: Final answer
x = 253,584.92
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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.