Finding the Fourth Proportional to 198,243.97, 273,199.57 and 194,600.59
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Solution
The fourth proportional to 198,243.97, 273,199.57 and 194,600.59 is: 268,178.64
Step by Step Solution
- Step 1: Write the proportion equation
198,243.97 : 273,199.57 = 194,600.59 : x - Step 2: Convert to fraction form
198,243.97/273,199.57 = 194,600.59/x - Step 3: Cross multiply
198,243.97x = 273,199.57 × 194,600.59 - Step 4: Simplify right side
198,243.97x = 53,164,797,509.75 - Step 5: Solve for x
x = 53,164,797,509.75/198,243.97 - Step 6: Final answer
x = 268,178.64
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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.