Finding the Fourth Proportional to 197,650.44, 272,757.69 and 107,006.40
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Solution
The fourth proportional to 197,650.44, 272,757.69 and 107,006.40 is: 147,668.88
Step by Step Solution
- Step 1: Write the proportion equation
197,650.44 : 272,757.69 = 107,006.40 : x - Step 2: Convert to fraction form
197,650.44/272,757.69 = 107,006.40/x - Step 3: Cross multiply
197,650.44x = 272,757.69 × 107,006.40 - Step 4: Simplify right side
197,650.44x = 29,186,818,479.22 - Step 5: Solve for x
x = 29,186,818,479.22/197,650.44 - Step 6: Final answer
x = 147,668.88
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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.