Finding the Fourth Proportional to 381,680.06, 526,718.97 and 209,609.15
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Solution
The fourth proportional to 381,680.06, 526,718.97 and 209,609.15 is: 289,260.89
Step by Step Solution
- Step 1: Write the proportion equation
381,680.06 : 526,718.97 = 209,609.15 : x - Step 2: Convert to fraction form
381,680.06/526,718.97 = 209,609.15/x - Step 3: Cross multiply
381,680.06x = 526,718.97 × 209,609.15 - Step 4: Simplify right side
381,680.06x = 110,405,112,956.98 - Step 5: Solve for x
x = 110,405,112,956.98/381,680.06 - Step 6: Final answer
x = 289,260.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.