Finding the Fourth Proportional to 201,810.70, 302,716.05 and 192,133.90
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Solution
The fourth proportional to 201,810.70, 302,716.05 and 192,133.90 is: 288,200.85
Step by Step Solution
- Step 1: Write the proportion equation
201,810.70 : 302,716.05 = 192,133.90 : x - Step 2: Convert to fraction form
201,810.70/302,716.05 = 192,133.90/x - Step 3: Cross multiply
201,810.70x = 302,716.05 × 192,133.90 - Step 4: Simplify right side
201,810.70x = 58,162,015,279.10 - Step 5: Solve for x
x = 58,162,015,279.10/201,810.70 - Step 6: Final answer
x = 288,200.85
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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.