Finding the Fourth Proportional to 195,716.37, 270,083.99 and 115,149.09
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Solution
The fourth proportional to 195,716.37, 270,083.99 and 115,149.09 is: 158,903.03
Step by Step Solution
- Step 1: Write the proportion equation
195,716.37 : 270,083.99 = 115,149.09 : x - Step 2: Convert to fraction form
195,716.37/270,083.99 = 115,149.09/x - Step 3: Cross multiply
195,716.37x = 270,083.99 × 115,149.09 - Step 4: Simplify right side
195,716.37x = 31,099,925,096.32 - Step 5: Solve for x
x = 31,099,925,096.32/195,716.37 - Step 6: Final answer
x = 158,903.03
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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.