Finding the Fourth Proportional to 197,682.19, 272,816.00 and 122,245.27
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Solution
The fourth proportional to 197,682.19, 272,816.00 and 122,245.27 is: 168,707.49
Step by Step Solution
- Step 1: Write the proportion equation
197,682.19 : 272,816.00 = 122,245.27 : x - Step 2: Convert to fraction form
197,682.19/272,816.00 = 122,245.27/x - Step 3: Cross multiply
197,682.19x = 272,816.00 × 122,245.27 - Step 4: Simplify right side
197,682.19x = 33,350,464,745.47 - Step 5: Solve for x
x = 33,350,464,745.47/197,682.19 - Step 6: Final answer
x = 168,707.49
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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.