Finding the Fourth Proportional to 149,793.36, 206,716.24 and 85,259.44
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Solution
The fourth proportional to 149,793.36, 206,716.24 and 85,259.44 is: 117,658.83
Step by Step Solution
- Step 1: Write the proportion equation
149,793.36 : 206,716.24 = 85,259.44 : x - Step 2: Convert to fraction form
149,793.36/206,716.24 = 85,259.44/x - Step 3: Cross multiply
149,793.36x = 206,716.24 × 85,259.44 - Step 4: Simplify right side
149,793.36x = 17,624,510,861.31 - Step 5: Solve for x
x = 17,624,510,861.31/149,793.36 - Step 6: Final answer
x = 117,658.83
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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.