Finding the Fourth Proportional to 197,988.14, 273,229.01 and 111,959.99
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Solution
The fourth proportional to 197,988.14, 273,229.01 and 111,959.99 is: 154,507.84
Step by Step Solution
- Step 1: Write the proportion equation
197,988.14 : 273,229.01 = 111,959.99 : x - Step 2: Convert to fraction form
197,988.14/273,229.01 = 111,959.99/x - Step 3: Cross multiply
197,988.14x = 273,229.01 × 111,959.99 - Step 4: Simplify right side
197,988.14x = 30,590,718,190.28 - Step 5: Solve for x
x = 30,590,718,190.28/197,988.14 - Step 6: Final answer
x = 154,507.84
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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.