Finding the Fourth Proportional to 306,198.26, 422,567.98 and 170,234.44
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Solution
The fourth proportional to 306,198.26, 422,567.98 and 170,234.44 is: 234,931.52
Step by Step Solution
- Step 1: Write the proportion equation
306,198.26 : 422,567.98 = 170,234.44 : x - Step 2: Convert to fraction form
306,198.26/422,567.98 = 170,234.44/x - Step 3: Cross multiply
306,198.26x = 422,567.98 × 170,234.44 - Step 4: Simplify right side
306,198.26x = 71,935,623,437.23 - Step 5: Solve for x
x = 71,935,623,437.23/306,198.26 - Step 6: Final answer
x = 234,931.52
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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.