Finding the Fourth Proportional to 193,358.22, 289,694.01 and 80,790.63
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Solution
The fourth proportional to 193,358.22, 289,694.01 and 80,790.63 is: 121,042.50
Step by Step Solution
- Step 1: Write the proportion equation
193,358.22 : 289,694.01 = 80,790.63 : x - Step 2: Convert to fraction form
193,358.22/289,694.01 = 80,790.63/x - Step 3: Cross multiply
193,358.22x = 289,694.01 × 80,790.63 - Step 4: Simplify right side
193,358.22x = 23,404,561,575.13 - Step 5: Solve for x
x = 23,404,561,575.13/193,358.22 - Step 6: Final answer
x = 121,042.50
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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.