Finding the Fourth Proportional to 118,311.30, 177,361.18 and 43,414.07
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Solution
The fourth proportional to 118,311.30, 177,361.18 and 43,414.07 is: 65,082.28
Step by Step Solution
- Step 1: Write the proportion equation
118,311.30 : 177,361.18 = 43,414.07 : x - Step 2: Convert to fraction form
118,311.30/177,361.18 = 43,414.07/x - Step 3: Cross multiply
118,311.30x = 177,361.18 × 43,414.07 - Step 4: Simplify right side
118,311.30x = 7,699,969,688.46 - Step 5: Solve for x
x = 7,699,969,688.46/118,311.30 - Step 6: Final answer
x = 65,082.28
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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.