Finding the Fourth Proportional to 312,251.76, 430,917.86 and 191,369.68
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Solution
The fourth proportional to 312,251.76, 430,917.86 and 191,369.68 is: 264,096.55
Step by Step Solution
- Step 1: Write the proportion equation
312,251.76 : 430,917.86 = 191,369.68 : x - Step 2: Convert to fraction form
312,251.76/430,917.86 = 191,369.68/x - Step 3: Cross multiply
312,251.76x = 430,917.86 × 191,369.68 - Step 4: Simplify right side
312,251.76x = 82,464,612,375.61 - Step 5: Solve for x
x = 82,464,612,375.61/312,251.76 - Step 6: Final answer
x = 264,096.55
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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.