Finding the Fourth Proportional to 197,554.20, 296,330.49 and 79,140.84
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Solution
The fourth proportional to 197,554.20, 296,330.49 and 79,140.84 is: 118,710.94
Step by Step Solution
- Step 1: Write the proportion equation
197,554.20 : 296,330.49 = 79,140.84 : x - Step 2: Convert to fraction form
197,554.20/296,330.49 = 79,140.84/x - Step 3: Cross multiply
197,554.20x = 296,330.49 × 79,140.84 - Step 4: Simplify right side
197,554.20x = 23,451,843,896.21 - Step 5: Solve for x
x = 23,451,843,896.21/197,554.20 - Step 6: Final answer
x = 118,710.94
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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.