Finding the Fourth Proportional to 396,544.26, 547,216.20 and 215,252.31
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Solution
The fourth proportional to 396,544.26, 547,216.20 and 215,252.31 is: 297,040.11
Step by Step Solution
- Step 1: Write the proportion equation
396,544.26 : 547,216.20 = 215,252.31 : x - Step 2: Convert to fraction form
396,544.26/547,216.20 = 215,252.31/x - Step 3: Cross multiply
396,544.26x = 547,216.20 × 215,252.31 - Step 4: Simplify right side
396,544.26x = 117,789,551,119.42 - Step 5: Solve for x
x = 117,789,551,119.42/396,544.26 - Step 6: Final answer
x = 297,040.11
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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.