Finding the Fourth Proportional to 197,369.28, 272,043.36 and 147,049.92
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Solution
The fourth proportional to 197,369.28, 272,043.36 and 147,049.92 is: 202,685.82
Step by Step Solution
- Step 1: Write the proportion equation
197,369.28 : 272,043.36 = 147,049.92 : x - Step 2: Convert to fraction form
197,369.28/272,043.36 = 147,049.92/x - Step 3: Cross multiply
197,369.28x = 272,043.36 × 147,049.92 - Step 4: Simplify right side
197,369.28x = 40,003,954,324.53 - Step 5: Solve for x
x = 40,003,954,324.53/197,369.28 - Step 6: Final answer
x = 202,685.82
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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.