Finding the Fourth Proportional to 221,743.63, 332,610.72 and 71,983.68
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Solution
The fourth proportional to 221,743.63, 332,610.72 and 71,983.68 is: 107,973.99
Step by Step Solution
- Step 1: Write the proportion equation
221,743.63 : 332,610.72 = 71,983.68 : x - Step 2: Convert to fraction form
221,743.63/332,610.72 = 71,983.68/x - Step 3: Cross multiply
221,743.63x = 332,610.72 × 71,983.68 - Step 4: Simplify right side
221,743.63x = 23,942,543,633.05 - Step 5: Solve for x
x = 23,942,543,633.05/221,743.63 - Step 6: Final answer
x = 107,973.99
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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.