Finding the Fourth Proportional to 265,768.26, 398,258.56 and 218,717.70
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Solution
The fourth proportional to 265,768.26, 398,258.56 and 218,717.70 is: 327,752.44
Step by Step Solution
- Step 1: Write the proportion equation
265,768.26 : 398,258.56 = 218,717.70 : x - Step 2: Convert to fraction form
265,768.26/398,258.56 = 218,717.70/x - Step 3: Cross multiply
265,768.26x = 398,258.56 × 218,717.70 - Step 4: Simplify right side
265,768.26x = 87,106,196,248.51 - Step 5: Solve for x
x = 87,106,196,248.51/265,768.26 - Step 6: Final answer
x = 327,752.44
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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.