Finding the Fourth Proportional to 324,626.91, 447,976.78 and 181,388.13
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Solution
The fourth proportional to 324,626.91, 447,976.78 and 181,388.13 is: 250,310.95
Step by Step Solution
- Step 1: Write the proportion equation
324,626.91 : 447,976.78 = 181,388.13 : x - Step 2: Convert to fraction form
324,626.91/447,976.78 = 181,388.13/x - Step 3: Cross multiply
324,626.91x = 447,976.78 × 181,388.13 - Step 4: Simplify right side
324,626.91x = 81,257,668,274.24 - Step 5: Solve for x
x = 81,257,668,274.24/324,626.91 - Step 6: Final answer
x = 250,310.95
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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.