Finding the Fourth Proportional to 221,338.44, 332,006.94 and 132,618.60
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Solution
The fourth proportional to 221,338.44, 332,006.94 and 132,618.60 is: 198,927.47
Step by Step Solution
- Step 1: Write the proportion equation
221,338.44 : 332,006.94 = 132,618.60 : x - Step 2: Convert to fraction form
221,338.44/332,006.94 = 132,618.60/x - Step 3: Cross multiply
221,338.44x = 332,006.94 × 132,618.60 - Step 4: Simplify right side
221,338.44x = 44,030,295,573.08 - Step 5: Solve for x
x = 44,030,295,573.08/221,338.44 - Step 6: Final answer
x = 198,927.47
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1.5x scale
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.