Finding the Fourth Proportional to 203,911.45, 305,867.18 and 133,052.65
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Solution
The fourth proportional to 203,911.45, 305,867.18 and 133,052.65 is: 199,578.98
Step by Step Solution
- Step 1: Write the proportion equation
203,911.45 : 305,867.18 = 133,052.65 : x - Step 2: Convert to fraction form
203,911.45/305,867.18 = 133,052.65/x - Step 3: Cross multiply
203,911.45x = 305,867.18 × 133,052.65 - Step 4: Simplify right side
203,911.45x = 40,696,438,847.03 - Step 5: Solve for x
x = 40,696,438,847.03/203,911.45 - Step 6: Final answer
x = 199,578.98
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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.