Finding the Fourth Proportional to 201,819.80, 302,729.70 and 135,464.60
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Solution
The fourth proportional to 201,819.80, 302,729.70 and 135,464.60 is: 203,196.90
Step by Step Solution
- Step 1: Write the proportion equation
201,819.80 : 302,729.70 = 135,464.60 : x - Step 2: Convert to fraction form
201,819.80/302,729.70 = 135,464.60/x - Step 3: Cross multiply
201,819.80x = 302,729.70 × 135,464.60 - Step 4: Simplify right side
201,819.80x = 41,009,157,718.62 - Step 5: Solve for x
x = 41,009,157,718.62/201,819.80 - Step 6: Final answer
x = 203,196.90
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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.