Finding the Fourth Proportional to 225,751.23, 339,048.18 and 198,743.13
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Solution
The fourth proportional to 225,751.23, 339,048.18 and 198,743.13 is: 298,485.62
Step by Step Solution
- Step 1: Write the proportion equation
225,751.23 : 339,048.18 = 198,743.13 : x - Step 2: Convert to fraction form
225,751.23/339,048.18 = 198,743.13/x - Step 3: Cross multiply
225,751.23x = 339,048.18 × 198,743.13 - Step 4: Simplify right side
225,751.23x = 67,383,496,514.00 - Step 5: Solve for x
x = 67,383,496,514.00/225,751.23 - Step 6: Final answer
x = 298,485.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.