Finding the Fourth Proportional to 203,857.20, 305,785.80 and 201,888.90
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Solution
The fourth proportional to 203,857.20, 305,785.80 and 201,888.90 is: 302,833.35
Step by Step Solution
- Step 1: Write the proportion equation
203,857.20 : 305,785.80 = 201,888.90 : x - Step 2: Convert to fraction form
203,857.20/305,785.80 = 201,888.90/x - Step 3: Cross multiply
203,857.20x = 305,785.80 × 201,888.90 - Step 4: Simplify right side
203,857.20x = 61,734,758,797.62 - Step 5: Solve for x
x = 61,734,758,797.62/203,857.20 - Step 6: Final answer
x = 302,833.35
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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.