Finding the Fourth Proportional to 133,059.70, 199,621.46 and 44,313.99
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Solution
The fourth proportional to 133,059.70, 199,621.46 and 44,313.99 is: 66,481.61
Step by Step Solution
- Step 1: Write the proportion equation
133,059.70 : 199,621.46 = 44,313.99 : x - Step 2: Convert to fraction form
133,059.70/199,621.46 = 44,313.99/x - Step 3: Cross multiply
133,059.70x = 199,621.46 × 44,313.99 - Step 4: Simplify right side
133,059.70x = 8,846,023,382.23 - Step 5: Solve for x
x = 8,846,023,382.23/133,059.70 - Step 6: Final answer
x = 66,481.61
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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.