Finding the Fourth Proportional to 366,890.23, 550,390.02 and 130,213.09
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Solution
The fourth proportional to 366,890.23, 550,390.02 and 130,213.09 is: 195,339.03
Step by Step Solution
- Step 1: Write the proportion equation
366,890.23 : 550,390.02 = 130,213.09 : x - Step 2: Convert to fraction form
366,890.23/550,390.02 = 130,213.09/x - Step 3: Cross multiply
366,890.23x = 550,390.02 × 130,213.09 - Step 4: Simplify right side
366,890.23x = 71,667,981,806.35 - Step 5: Solve for x
x = 71,667,981,806.35/366,890.23 - Step 6: Final answer
x = 195,339.03
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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.