Finding the Fourth Proportional to 201,338.80, 302,202.60 and 122,606.80
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Solution
The fourth proportional to 201,338.80, 302,202.60 and 122,606.80 is: 184,028.58
Step by Step Solution
- Step 1: Write the proportion equation
201,338.80 : 302,202.60 = 122,606.80 : x - Step 2: Convert to fraction form
201,338.80/302,202.60 = 122,606.80/x - Step 3: Cross multiply
201,338.80x = 302,202.60 × 122,606.80 - Step 4: Simplify right side
201,338.80x = 37,052,093,737.68 - Step 5: Solve for x
x = 37,052,093,737.68/201,338.80 - Step 6: Final answer
x = 184,028.58
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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.