Finding the Fourth Proportional to 407,821.91, 562,786.38 and 226,525.68
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Solution
The fourth proportional to 407,821.91, 562,786.38 and 226,525.68 is: 312,601.08
Step by Step Solution
- Step 1: Write the proportion equation
407,821.91 : 562,786.38 = 226,525.68 : x - Step 2: Convert to fraction form
407,821.91/562,786.38 = 226,525.68/x - Step 3: Cross multiply
407,821.91x = 562,786.38 × 226,525.68 - Step 4: Simplify right side
407,821.91x = 127,485,567,424.24 - Step 5: Solve for x
x = 127,485,567,424.24/407,821.91 - Step 6: Final answer
x = 312,601.08
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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.