Finding the Fourth Proportional to 263,132.20, 394,244.70 and 122,602.60
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Solution
The fourth proportional to 263,132.20, 394,244.70 and 122,602.60 is: 183,692.55
Step by Step Solution
- Step 1: Write the proportion equation
263,132.20 : 394,244.70 = 122,602.60 : x - Step 2: Convert to fraction form
263,132.20/394,244.70 = 122,602.60/x - Step 3: Cross multiply
263,132.20x = 394,244.70 × 122,602.60 - Step 4: Simplify right side
263,132.20x = 48,335,425,256.22 - Step 5: Solve for x
x = 48,335,425,256.22/263,132.20 - Step 6: Final answer
x = 183,692.55
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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.