Finding the Fourth Proportional to 204,129.74, 281,683.07 and 113,480.19
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Solution
The fourth proportional to 204,129.74, 281,683.07 and 113,480.19 is: 156,593.78
Step by Step Solution
- Step 1: Write the proportion equation
204,129.74 : 281,683.07 = 113,480.19 : x - Step 2: Convert to fraction form
204,129.74/281,683.07 = 113,480.19/x - Step 3: Cross multiply
204,129.74x = 281,683.07 × 113,480.19 - Step 4: Simplify right side
204,129.74x = 31,965,448,161.53 - Step 5: Solve for x
x = 31,965,448,161.53/204,129.74 - Step 6: Final answer
x = 156,593.78
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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.