Finding the Fourth Proportional to 263,393.70, 394,993.35 and 130,229.70
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Solution
The fourth proportional to 263,393.70, 394,993.35 and 130,229.70 is: 195,296.49
Step by Step Solution
- Step 1: Write the proportion equation
263,393.70 : 394,993.35 = 130,229.70 : x - Step 2: Convert to fraction form
263,393.70/394,993.35 = 130,229.70/x - Step 3: Cross multiply
263,393.70x = 394,993.35 × 130,229.70 - Step 4: Simplify right side
263,393.70x = 51,439,865,472.50 - Step 5: Solve for x
x = 51,439,865,472.50/263,393.70 - Step 6: Final answer
x = 195,296.49
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1.5x scale
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.