Finding the Fourth Proportional to 221,622.57, 332,556.57 and 137,427.93
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Solution
The fourth proportional to 221,622.57, 332,556.57 and 137,427.93 is: 206,217.99
Step by Step Solution
- Step 1: Write the proportion equation
221,622.57 : 332,556.57 = 137,427.93 : x - Step 2: Convert to fraction form
221,622.57/332,556.57 = 137,427.93/x - Step 3: Cross multiply
221,622.57x = 332,556.57 × 137,427.93 - Step 4: Simplify right side
221,622.57x = 45,702,561,023.00 - Step 5: Solve for x
x = 45,702,561,023.00/221,622.57 - Step 6: Final answer
x = 206,217.99
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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.