Finding the Fourth Proportional to 265,769.26, 398,260.06 and 218,718.70
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Solution
The fourth proportional to 265,769.26, 398,260.06 and 218,718.70 is: 327,753.94
Step by Step Solution
- Step 1: Write the proportion equation
265,769.26 : 398,260.06 = 218,718.70 : x - Step 2: Convert to fraction form
265,769.26/398,260.06 = 218,718.70/x - Step 3: Cross multiply
265,769.26x = 398,260.06 × 218,718.70 - Step 4: Simplify right side
265,769.26x = 87,106,922,585.12 - Step 5: Solve for x
x = 87,106,922,585.12/265,769.26 - Step 6: Final answer
x = 327,753.94
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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.