Finding the Fourth Proportional to 312,556.26, 469,085.74 and 162,841.26
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Solution
The fourth proportional to 312,556.26, 469,085.74 and 162,841.26 is: 244,392.84
Step by Step Solution
- Step 1: Write the proportion equation
312,556.26 : 469,085.74 = 162,841.26 : x - Step 2: Convert to fraction form
312,556.26/469,085.74 = 162,841.26/x - Step 3: Cross multiply
312,556.26x = 469,085.74 × 162,841.26 - Step 4: Simplify right side
312,556.26x = 76,386,512,949.63 - Step 5: Solve for x
x = 76,386,512,949.63/312,556.26 - Step 6: Final answer
x = 244,392.84
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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.