Finding the Fourth Proportional to 265,880.75, 398,734.86 and 88,340.09
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Solution
The fourth proportional to 265,880.75, 398,734.86 and 88,340.09 is: 132,481.47
Step by Step Solution
- Step 1: Write the proportion equation
265,880.75 : 398,734.86 = 88,340.09 : x - Step 2: Convert to fraction form
265,880.75/398,734.86 = 88,340.09/x - Step 3: Cross multiply
265,880.75x = 398,734.86 × 88,340.09 - Step 4: Simplify right side
265,880.75x = 35,224,273,418.54 - Step 5: Solve for x
x = 35,224,273,418.54/265,880.75 - Step 6: Final answer
x = 132,481.47
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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.