Finding the Fourth Proportional to 274,324.70, 410,830.95 and 221,836.70
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Solution
The fourth proportional to 274,324.70, 410,830.95 and 221,836.70 is: 332,224.49
Step by Step Solution
- Step 1: Write the proportion equation
274,324.70 : 410,830.95 = 221,836.70 : x - Step 2: Convert to fraction form
274,324.70/410,830.95 = 221,836.70/x - Step 3: Cross multiply
274,324.70x = 410,830.95 × 221,836.70 - Step 4: Simplify right side
274,324.70x = 91,137,382,205.87 - Step 5: Solve for x
x = 91,137,382,205.87/274,324.70 - Step 6: Final answer
x = 332,224.49
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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.