Finding the Fourth Proportional to 179,890.91, 269,789.32 and 53,497.09
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Solution
The fourth proportional to 179,890.91, 269,789.32 and 53,497.09 is: 80,231.65
Step by Step Solution
- Step 1: Write the proportion equation
179,890.91 : 269,789.32 = 53,497.09 : x - Step 2: Convert to fraction form
179,890.91/269,789.32 = 53,497.09/x - Step 3: Cross multiply
179,890.91x = 269,789.32 × 53,497.09 - Step 4: Simplify right side
179,890.91x = 14,432,944,073.81 - Step 5: Solve for x
x = 14,432,944,073.81/179,890.91 - Step 6: Final answer
x = 80,231.65
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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.