Finding the Fourth Proportional to 114,441.12, 171,471.60 and 80,995.68
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Solution
The fourth proportional to 114,441.12, 171,471.60 and 80,995.68 is: 121,358.99
Step by Step Solution
- Step 1: Write the proportion equation
114,441.12 : 171,471.60 = 80,995.68 : x - Step 2: Convert to fraction form
114,441.12/171,471.60 = 80,995.68/x - Step 3: Cross multiply
114,441.12x = 171,471.60 × 80,995.68 - Step 4: Simplify right side
114,441.12x = 13,888,458,842.69 - Step 5: Solve for x
x = 13,888,458,842.69/114,441.12 - Step 6: Final answer
x = 121,358.99
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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.