Finding the Fourth Proportional to 197,651.44, 272,758.65 and 107,007.37
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Solution
The fourth proportional to 197,651.44, 272,758.65 and 107,007.37 is: 147,669.99
Step by Step Solution
- Step 1: Write the proportion equation
197,651.44 : 272,758.65 = 107,007.37 : x - Step 2: Convert to fraction form
197,651.44/272,758.65 = 107,007.37/x - Step 3: Cross multiply
197,651.44x = 272,758.65 × 107,007.37 - Step 4: Simplify right side
197,651.44x = 29,187,185,781.25 - Step 5: Solve for x
x = 29,187,185,781.25/197,651.44 - Step 6: Final answer
x = 147,669.99
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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.