Finding the Fourth Proportional to 198,257.53, 273,588.07 and 107,611.57
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Solution
The fourth proportional to 198,257.53, 273,588.07 and 107,611.57 is: 148,499.99
Step by Step Solution
- Step 1: Write the proportion equation
198,257.53 : 273,588.07 = 107,611.57 : x - Step 2: Convert to fraction form
198,257.53/273,588.07 = 107,611.57/x - Step 3: Cross multiply
198,257.53x = 273,588.07 × 107,611.57 - Step 4: Simplify right side
198,257.53x = 29,441,241,745.97 - Step 5: Solve for x
x = 29,441,241,745.97/198,257.53 - Step 6: Final answer
x = 148,499.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.