Finding the Fourth Proportional to 366,891.22, 550,391.52 and 130,214.08
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Solution
The fourth proportional to 366,891.22, 550,391.52 and 130,214.08 is: 195,340.53
Step by Step Solution
- Step 1: Write the proportion equation
366,891.22 : 550,391.52 = 130,214.08 : x - Step 2: Convert to fraction form
366,891.22/550,391.52 = 130,214.08/x - Step 3: Cross multiply
366,891.22x = 550,391.52 × 130,214.08 - Step 4: Simplify right side
366,891.22x = 71,668,725,416.60 - Step 5: Solve for x
x = 71,668,725,416.60/366,891.22 - 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.