Finding the Fourth Proportional to 197,620.68, 296,391.60 and 71,257.44
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Solution
The fourth proportional to 197,620.68, 296,391.60 and 71,257.44 is: 106,871.95
Step by Step Solution
- Step 1: Write the proportion equation
197,620.68 : 296,391.60 = 71,257.44 : x - Step 2: Convert to fraction form
197,620.68/296,391.60 = 71,257.44/x - Step 3: Cross multiply
197,620.68x = 296,391.60 × 71,257.44 - Step 4: Simplify right side
197,620.68x = 21,120,106,653.50 - Step 5: Solve for x
x = 21,120,106,653.50/197,620.68 - Step 6: Final answer
x = 106,871.95
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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.