Finding the Fourth Proportional to 149,793.87, 206,716.92 and 85,259.94
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Solution
The fourth proportional to 149,793.87, 206,716.92 and 85,259.94 is: 117,659.50
Step by Step Solution
- Step 1: Write the proportion equation
149,793.87 : 206,716.92 = 85,259.94 : x - Step 2: Convert to fraction form
149,793.87/206,716.92 = 85,259.94/x - Step 3: Cross multiply
149,793.87x = 206,716.92 × 85,259.94 - Step 4: Simplify right side
149,793.87x = 17,624,672,196.18 - Step 5: Solve for x
x = 17,624,672,196.18/149,793.87 - Step 6: Final answer
x = 117,659.50
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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.