Finding the Fourth Proportional to 311,519.26, 467,272.14 and 86,873.70
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Solution
The fourth proportional to 311,519.26, 467,272.14 and 86,873.70 is: 130,308.67
Step by Step Solution
- Step 1: Write the proportion equation
311,519.26 : 467,272.14 = 86,873.70 : x - Step 2: Convert to fraction form
311,519.26/467,272.14 = 86,873.70/x - Step 3: Cross multiply
311,519.26x = 467,272.14 × 86,873.70 - Step 4: Simplify right side
311,519.26x = 40,593,659,708.72 - Step 5: Solve for x
x = 40,593,659,708.72/311,519.26 - Step 6: Final answer
x = 130,308.67
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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.