Finding the Fourth Proportional to 78,232.75, 117,358.28 and 24,906.05
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Solution
The fourth proportional to 78,232.75, 117,358.28 and 24,906.05 is: 37,361.99
Step by Step Solution
- Step 1: Write the proportion equation
78,232.75 : 117,358.28 = 24,906.05 : x - Step 2: Convert to fraction form
78,232.75/117,358.28 = 24,906.05/x - Step 3: Cross multiply
78,232.75x = 117,358.28 × 24,906.05 - Step 4: Simplify right side
78,232.75x = 2,922,931,189.59 - Step 5: Solve for x
x = 2,922,931,189.59/78,232.75 - Step 6: Final answer
x = 37,361.99
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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.