Finding the Fourth Proportional to 198,239.42, 273,570.66 and 107,595.38
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Solution
The fourth proportional to 198,239.42, 273,570.66 and 107,595.38 is: 148,481.77
Step by Step Solution
- Step 1: Write the proportion equation
198,239.42 : 273,570.66 = 107,595.38 : x - Step 2: Convert to fraction form
198,239.42/273,570.66 = 107,595.38/x - Step 3: Cross multiply
198,239.42x = 273,570.66 × 107,595.38 - Step 4: Simplify right side
198,239.42x = 29,434,939,119.55 - Step 5: Solve for x
x = 29,434,939,119.55/198,239.42 - Step 6: Final answer
x = 148,481.77
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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.