Finding the Fourth Proportional to 311,905.20, 467,857.80 and 125,050.80
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Solution
The fourth proportional to 311,905.20, 467,857.80 and 125,050.80 is: 187,576.20
Step by Step Solution
- Step 1: Write the proportion equation
311,905.20 : 467,857.80 = 125,050.80 : x - Step 2: Convert to fraction form
311,905.20/467,857.80 = 125,050.80/x - Step 3: Cross multiply
311,905.20x = 467,857.80 × 125,050.80 - Step 4: Simplify right side
311,905.20x = 58,505,992,176.24 - Step 5: Solve for x
x = 58,505,992,176.24/311,905.20 - Step 6: Final answer
x = 187,576.20
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1.5x scale
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.