Finding the Fourth Proportional to 119,455.20, 179,163.18 and 44,555.76
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Solution
The fourth proportional to 119,455.20, 179,163.18 and 44,555.76 is: 66,826.32
Step by Step Solution
- Step 1: Write the proportion equation
119,455.20 : 179,163.18 = 44,555.76 : x - Step 2: Convert to fraction form
119,455.20/179,163.18 = 44,555.76/x - Step 3: Cross multiply
119,455.20x = 179,163.18 × 44,555.76 - Step 4: Simplify right side
119,455.20x = 7,982,751,648.92 - Step 5: Solve for x
x = 7,982,751,648.92/119,455.20 - Step 6: Final answer
x = 66,826.32
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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.