Finding the Fourth Proportional to 149,096.30, 223,716.21 and 74,222.99
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Solution
The fourth proportional to 149,096.30, 223,716.21 and 74,222.99 is: 111,370.20
Step by Step Solution
- Step 1: Write the proportion equation
149,096.30 : 223,716.21 = 74,222.99 : x - Step 2: Convert to fraction form
149,096.30/223,716.21 = 74,222.99/x - Step 3: Cross multiply
149,096.30x = 223,716.21 × 74,222.99 - Step 4: Simplify right side
149,096.30x = 16,604,884,899.09 - Step 5: Solve for x
x = 16,604,884,899.09/149,096.30 - Step 6: Final answer
x = 111,370.20
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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.