Finding the Fourth Proportional to 197,754.16, 272,898.57 and 107,107.87
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Solution
The fourth proportional to 197,754.16, 272,898.57 and 107,107.87 is: 147,807.68
Step by Step Solution
- Step 1: Write the proportion equation
197,754.16 : 272,898.57 = 107,107.87 : x - Step 2: Convert to fraction form
197,754.16/272,898.57 = 107,107.87/x - Step 3: Cross multiply
197,754.16x = 272,898.57 × 107,107.87 - Step 4: Simplify right side
197,754.16x = 29,229,584,558.75 - Step 5: Solve for x
x = 29,229,584,558.75/197,754.16 - Step 6: Final answer
x = 147,807.68
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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.