Finding the Fourth Proportional to 276,889.50, 382,107.67 and 149,565.09
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Solution
The fourth proportional to 276,889.50, 382,107.67 and 149,565.09 is: 206,399.91
Step by Step Solution
- Step 1: Write the proportion equation
276,889.50 : 382,107.67 = 149,565.09 : x - Step 2: Convert to fraction form
276,889.50/382,107.67 = 149,565.09/x - Step 3: Cross multiply
276,889.50x = 382,107.67 × 149,565.09 - Step 4: Simplify right side
276,889.50x = 57,149,969,112.23 - Step 5: Solve for x
x = 57,149,969,112.23/276,889.50 - Step 6: Final answer
x = 206,399.91
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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.