Finding the Fourth Proportional to 322,991.91, 445,266.93 and 227,201.31
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Solution
The fourth proportional to 322,991.91, 445,266.93 and 227,201.31 is: 313,212.89
Step by Step Solution
- Step 1: Write the proportion equation
322,991.91 : 445,266.93 = 227,201.31 : x - Step 2: Convert to fraction form
322,991.91/445,266.93 = 227,201.31/x - Step 3: Cross multiply
322,991.91x = 445,266.93 × 227,201.31 - Step 4: Simplify right side
322,991.91x = 101,165,229,795.68 - Step 5: Solve for x
x = 101,165,229,795.68/322,991.91 - Step 6: Final answer
x = 313,212.89
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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.