Finding the Fourth Proportional to 135,037.80, 202,556.70 and 132,964.20
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Solution
The fourth proportional to 135,037.80, 202,556.70 and 132,964.20 is: 199,446.30
Step by Step Solution
- Step 1: Write the proportion equation
135,037.80 : 202,556.70 = 132,964.20 : x - Step 2: Convert to fraction form
135,037.80/202,556.70 = 132,964.20/x - Step 3: Cross multiply
135,037.80x = 202,556.70 × 132,964.20 - Step 4: Simplify right side
135,037.80x = 26,932,789,570.14 - Step 5: Solve for x
x = 26,932,789,570.14/135,037.80 - Step 6: Final answer
x = 199,446.30
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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.