Finding the Fourth Proportional to 273,639.26, 410,458.87 and 138,682.31
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Solution
The fourth proportional to 273,639.26, 410,458.87 and 138,682.31 is: 208,023.45
Step by Step Solution
- Step 1: Write the proportion equation
273,639.26 : 410,458.87 = 138,682.31 : x - Step 2: Convert to fraction form
273,639.26/410,458.87 = 138,682.31/x - Step 3: Cross multiply
273,639.26x = 410,458.87 × 138,682.31 - Step 4: Simplify right side
273,639.26x = 56,923,384,251.59 - Step 5: Solve for x
x = 56,923,384,251.59/273,639.26 - Step 6: Final answer
x = 208,023.45
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1.5x scale
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.