Finding the Fourth Proportional to 201,032.20, 301,548.30 and 122,170.60
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Solution
The fourth proportional to 201,032.20, 301,548.30 and 122,170.60 is: 183,255.90
Step by Step Solution
- Step 1: Write the proportion equation
201,032.20 : 301,548.30 = 122,170.60 : x - Step 2: Convert to fraction form
201,032.20/301,548.30 = 122,170.60/x - Step 3: Cross multiply
201,032.20x = 301,548.30 × 122,170.60 - Step 4: Simplify right side
201,032.20x = 36,840,336,739.98 - Step 5: Solve for x
x = 36,840,336,739.98/201,032.20 - Step 6: Final answer
x = 183,255.90
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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.