Finding the Fourth Proportional to 264,533.76, 396,825.84 and 87,042.24
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Solution
The fourth proportional to 264,533.76, 396,825.84 and 87,042.24 is: 130,571.65
Step by Step Solution
- Step 1: Write the proportion equation
264,533.76 : 396,825.84 = 87,042.24 : x - Step 2: Convert to fraction form
264,533.76/396,825.84 = 87,042.24/x - Step 3: Cross multiply
264,533.76x = 396,825.84 × 87,042.24 - Step 4: Simplify right side
264,533.76x = 34,540,610,003.48 - Step 5: Solve for x
x = 34,540,610,003.48/264,533.76 - Step 6: Final answer
x = 130,571.65
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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.