Finding the Fourth Proportional to 275,399.32, 412,814.79 and 115,568.09
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Solution
The fourth proportional to 275,399.32, 412,814.79 and 115,568.09 is: 173,232.88
Step by Step Solution
- Step 1: Write the proportion equation
275,399.32 : 412,814.79 = 115,568.09 : x - Step 2: Convert to fraction form
275,399.32/412,814.79 = 115,568.09/x - Step 3: Cross multiply
275,399.32x = 412,814.79 × 115,568.09 - Step 4: Simplify right side
275,399.32x = 47,708,216,804.05 - Step 5: Solve for x
x = 47,708,216,804.05/275,399.32 - Step 6: Final answer
x = 173,232.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.