Finding the Fourth Proportional to 201,122.20, 301,683.30 and 122,260.60
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Solution
The fourth proportional to 201,122.20, 301,683.30 and 122,260.60 is: 183,390.90
Step by Step Solution
- Step 1: Write the proportion equation
201,122.20 : 301,683.30 = 122,260.60 : x - Step 2: Convert to fraction form
201,122.20/301,683.30 = 122,260.60/x - Step 3: Cross multiply
201,122.20x = 301,683.30 × 122,260.60 - Step 4: Simplify right side
201,122.20x = 36,883,981,267.98 - Step 5: Solve for x
x = 36,883,981,267.98/201,122.20 - Step 6: Final answer
x = 183,390.90
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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.