Finding the Fourth Proportional to 197,739.42, 272,879.04 and 107,093.31
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Solution
The fourth proportional to 197,739.42, 272,879.04 and 107,093.31 is: 147,788.03
Step by Step Solution
- Step 1: Write the proportion equation
197,739.42 : 272,879.04 = 107,093.31 : x - Step 2: Convert to fraction form
197,739.42/272,879.04 = 107,093.31/x - Step 3: Cross multiply
197,739.42x = 272,879.04 × 107,093.31 - Step 4: Simplify right side
197,739.42x = 29,223,519,623.22 - Step 5: Solve for x
x = 29,223,519,623.22/197,739.42 - Step 6: Final answer
x = 147,788.03
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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.