Finding the Fourth Proportional to 322,148.20, 444,786.92 and 201,343.80
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Solution
The fourth proportional to 322,148.20, 444,786.92 and 201,343.80 is: 277,993.45
Step by Step Solution
- Step 1: Write the proportion equation
322,148.20 : 444,786.92 = 201,343.80 : x - Step 2: Convert to fraction form
322,148.20/444,786.92 = 201,343.80/x - Step 3: Cross multiply
322,148.20x = 444,786.92 × 201,343.80 - Step 4: Simplify right side
322,148.20x = 89,555,088,663.10 - Step 5: Solve for x
x = 89,555,088,663.10/322,148.20 - Step 6: Final answer
x = 277,993.45
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1.5x scale
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.