Finding the Fourth Proportional to 202,383.20, 302,797.20 and 132,399.20
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Solution
The fourth proportional to 202,383.20, 302,797.20 and 132,399.20 is: 198,090.09
Step by Step Solution
- Step 1: Write the proportion equation
202,383.20 : 302,797.20 = 132,399.20 : x - Step 2: Convert to fraction form
202,383.20/302,797.20 = 132,399.20/x - Step 3: Cross multiply
202,383.20x = 302,797.20 × 132,399.20 - Step 4: Simplify right side
202,383.20x = 40,090,107,042.24 - Step 5: Solve for x
x = 40,090,107,042.24/202,383.20 - Step 6: Final answer
x = 198,090.09
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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.