Finding the Fourth Proportional to 197,972.43, 273,198.60 and 111,929.99
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Solution
The fourth proportional to 197,972.43, 273,198.60 and 111,929.99 is: 154,461.48
Step by Step Solution
- Step 1: Write the proportion equation
197,972.43 : 273,198.60 = 111,929.99 : x - Step 2: Convert to fraction form
197,972.43/273,198.60 = 111,929.99/x - Step 3: Cross multiply
197,972.43x = 273,198.60 × 111,929.99 - Step 4: Simplify right side
197,972.43x = 30,579,115,200.02 - Step 5: Solve for x
x = 30,579,115,200.02/197,972.43 - Step 6: Final answer
x = 154,461.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.