Finding the Fourth Proportional to 407,449.71, 562,279.64 and 226,163.81
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Solution
The fourth proportional to 407,449.71, 562,279.64 and 226,163.81 is: 312,105.53
Step by Step Solution
- Step 1: Write the proportion equation
407,449.71 : 562,279.64 = 226,163.81 : x - Step 2: Convert to fraction form
407,449.71/562,279.64 = 226,163.81/x - Step 3: Cross multiply
407,449.71x = 562,279.64 × 226,163.81 - Step 4: Simplify right side
407,449.71x = 127,167,305,942.71 - Step 5: Solve for x
x = 127,167,305,942.71/407,449.71 - Step 6: Final answer
x = 312,105.53
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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.