Finding the Fourth Proportional to 197,620.97, 272,717.89 and 106,977.00
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Solution
The fourth proportional to 197,620.97, 272,717.89 and 106,977.00 is: 147,628.78
Step by Step Solution
- Step 1: Write the proportion equation
197,620.97 : 272,717.89 = 106,977.00 : x - Step 2: Convert to fraction form
197,620.97/272,717.89 = 106,977.00/x - Step 3: Cross multiply
197,620.97x = 272,717.89 × 106,977.00 - Step 4: Simplify right side
197,620.97x = 29,174,542,473.78 - Step 5: Solve for x
x = 29,174,542,473.78/197,620.97 - Step 6: Final answer
x = 147,628.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.