Finding the Fourth Proportional to 366,891.23, 550,391.52 and 130,214.09
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Solution
The fourth proportional to 366,891.23, 550,391.52 and 130,214.09 is: 195,340.53
Step by Step Solution
- Step 1: Write the proportion equation
366,891.23 : 550,391.52 = 130,214.09 : x - Step 2: Convert to fraction form
366,891.23/550,391.52 = 130,214.09/x - Step 3: Cross multiply
366,891.23x = 550,391.52 × 130,214.09 - Step 4: Simplify right side
366,891.23x = 71,668,728,168.56 - Step 5: Solve for x
x = 71,668,728,168.56/366,891.23 - Step 6: Final answer
x = 195,340.53
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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.