Finding the Fourth Proportional to 265,879.75, 398,733.36 and 88,339.09
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Solution
The fourth proportional to 265,879.75, 398,733.36 and 88,339.09 is: 132,479.97
Step by Step Solution
- Step 1: Write the proportion equation
265,879.75 : 398,733.36 = 88,339.09 : x - Step 2: Convert to fraction form
265,879.75/398,733.36 = 88,339.09/x - Step 3: Cross multiply
265,879.75x = 398,733.36 × 88,339.09 - Step 4: Simplify right side
265,879.75x = 35,223,742,175.04 - Step 5: Solve for x
x = 35,223,742,175.04/265,879.75 - Step 6: Final answer
x = 132,479.97
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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.