Finding the Fourth Proportional to 323,013.69, 445,296.96 and 227,223.09
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Solution
The fourth proportional to 323,013.69, 445,296.96 and 227,223.09 is: 313,242.92
Step by Step Solution
- Step 1: Write the proportion equation
323,013.69 : 445,296.96 = 227,223.09 : x - Step 2: Convert to fraction form
323,013.69/445,296.96 = 227,223.09/x - Step 3: Cross multiply
323,013.69x = 445,296.96 × 227,223.09 - Step 4: Simplify right side
323,013.69x = 101,181,751,218.81 - Step 5: Solve for x
x = 101,181,751,218.81/323,013.69 - Step 6: Final answer
x = 313,242.92
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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.