Finding the Fourth Proportional to 120,406.75, 180,618.79 and 41,519.84
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Solution
The fourth proportional to 120,406.75, 180,618.79 and 41,519.84 is: 62,282.75
Step by Step Solution
- Step 1: Write the proportion equation
120,406.75 : 180,618.79 = 41,519.84 : x - Step 2: Convert to fraction form
120,406.75/180,618.79 = 41,519.84/x - Step 3: Cross multiply
120,406.75x = 180,618.79 × 41,519.84 - Step 4: Simplify right side
120,406.75x = 7,499,263,054.19 - Step 5: Solve for x
x = 7,499,263,054.19/120,406.75 - Step 6: Final answer
x = 62,282.75
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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.