Finding the Fourth Proportional to 192,912.60, 266,213.19 and 106,868.07
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Solution
The fourth proportional to 192,912.60, 266,213.19 and 106,868.07 is: 147,474.50
Step by Step Solution
- Step 1: Write the proportion equation
192,912.60 : 266,213.19 = 106,868.07 : x - Step 2: Convert to fraction form
192,912.60/266,213.19 = 106,868.07/x - Step 3: Cross multiply
192,912.60x = 266,213.19 × 106,868.07 - Step 4: Simplify right side
192,912.60x = 28,449,689,823.84 - Step 5: Solve for x
x = 28,449,689,823.84/192,912.60 - Step 6: Final answer
x = 147,474.50
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1.5x scale
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.