Finding the Fourth Proportional to 197,553.94, 272,622.36 and 106,907.92
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Solution
The fourth proportional to 197,553.94, 272,622.36 and 106,907.92 is: 147,531.81
Step by Step Solution
- Step 1: Write the proportion equation
197,553.94 : 272,622.36 = 106,907.92 : x - Step 2: Convert to fraction form
197,553.94/272,622.36 = 106,907.92/x - Step 3: Cross multiply
197,553.94x = 272,622.36 × 106,907.92 - Step 4: Simplify right side
197,553.94x = 29,145,489,453.09 - Step 5: Solve for x
x = 29,145,489,453.09/197,553.94 - Step 6: Final answer
x = 147,531.81
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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.