Finding the Fourth Proportional to 129,868.31, 194,787.33 and 35,093.99
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Solution
The fourth proportional to 129,868.31, 194,787.33 and 35,093.99 is: 52,636.90
Step by Step Solution
- Step 1: Write the proportion equation
129,868.31 : 194,787.33 = 35,093.99 : x - Step 2: Convert to fraction form
129,868.31/194,787.33 = 35,093.99/x - Step 3: Cross multiply
129,868.31x = 194,787.33 × 35,093.99 - Step 4: Simplify right side
129,868.31x = 6,835,864,611.15 - Step 5: Solve for x
x = 6,835,864,611.15/129,868.31 - Step 6: Final answer
x = 52,636.90
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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.