Finding the Fourth Proportional to 133,059.40, 199,620.99 and 44,313.70
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Solution
The fourth proportional to 133,059.40, 199,620.99 and 44,313.70 is: 66,481.17
Step by Step Solution
- Step 1: Write the proportion equation
133,059.40 : 199,620.99 = 44,313.70 : x - Step 2: Convert to fraction form
133,059.40/199,620.99 = 44,313.70/x - Step 3: Cross multiply
133,059.40x = 199,620.99 × 44,313.70 - Step 4: Simplify right side
133,059.40x = 8,845,944,664.56 - Step 5: Solve for x
x = 8,845,944,664.56/133,059.40 - Step 6: Final answer
x = 66,481.17
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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.