Finding the Fourth Proportional to 206,611.14, 310,082.76 and 106,800.58
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Solution
The fourth proportional to 206,611.14, 310,082.76 and 106,800.58 is: 160,286.70
Step by Step Solution
- Step 1: Write the proportion equation
206,611.14 : 310,082.76 = 106,800.58 : x - Step 2: Convert to fraction form
206,611.14/310,082.76 = 106,800.58/x - Step 3: Cross multiply
206,611.14x = 310,082.76 × 106,800.58 - Step 4: Simplify right side
206,611.14x = 33,117,018,616.00 - Step 5: Solve for x
x = 33,117,018,616.00/206,611.14 - Step 6: Final answer
x = 160,286.70
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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.