Finding the Fourth Proportional to 201,198.40, 301,605.60 and 74,804.80
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Solution
The fourth proportional to 201,198.40, 301,605.60 and 74,804.80 is: 112,135.82
Step by Step Solution
- Step 1: Write the proportion equation
201,198.40 : 301,605.60 = 74,804.80 : x - Step 2: Convert to fraction form
201,198.40/301,605.60 = 74,804.80/x - Step 3: Cross multiply
201,198.40x = 301,605.60 × 74,804.80 - Step 4: Simplify right side
201,198.40x = 22,561,546,586.88 - Step 5: Solve for x
x = 22,561,546,586.88/201,198.40 - Step 6: Final answer
x = 112,135.82
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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.