Finding the Fourth Proportional to 324,481.36, 447,779.56 and 181,243.44
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Solution
The fourth proportional to 324,481.36, 447,779.56 and 181,243.44 is: 250,113.31
Step by Step Solution
- Step 1: Write the proportion equation
324,481.36 : 447,779.56 = 181,243.44 : x - Step 2: Convert to fraction form
324,481.36/447,779.56 = 181,243.44/x - Step 3: Cross multiply
324,481.36x = 447,779.56 × 181,243.44 - Step 4: Simplify right side
324,481.36x = 81,157,107,816.09 - Step 5: Solve for x
x = 81,157,107,816.09/324,481.36 - Step 6: Final answer
x = 250,113.31
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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.