Finding the Fourth Proportional to 203,798.58, 305,697.57 and 133,661.46
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Solution
The fourth proportional to 203,798.58, 305,697.57 and 133,661.46 is: 200,491.99
Step by Step Solution
- Step 1: Write the proportion equation
203,798.58 : 305,697.57 = 133,661.46 : x - Step 2: Convert to fraction form
203,798.58/305,697.57 = 133,661.46/x - Step 3: Cross multiply
203,798.58x = 305,697.57 × 133,661.46 - Step 4: Simplify right side
203,798.58x = 40,859,983,524.65 - Step 5: Solve for x
x = 40,859,983,524.65/203,798.58 - Step 6: Final answer
x = 200,491.99
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1.5x scale
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.