Finding the Fourth Proportional to 202,568.21, 279,542.98 and 111,924.19
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Solution
The fourth proportional to 202,568.21, 279,542.98 and 111,924.19 is: 154,454.75
Step by Step Solution
- Step 1: Write the proportion equation
202,568.21 : 279,542.98 = 111,924.19 : x - Step 2: Convert to fraction form
202,568.21/279,542.98 = 111,924.19/x - Step 3: Cross multiply
202,568.21x = 279,542.98 × 111,924.19 - Step 4: Simplify right side
202,568.21x = 31,287,622,096.02 - Step 5: Solve for x
x = 31,287,622,096.02/202,568.21 - Step 6: Final answer
x = 154,454.75
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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.