Finding the Fourth Proportional to 303,898.12, 419,378.36 and 167,928.28
Calculator
Solution
The fourth proportional to 303,898.12, 419,378.36 and 167,928.28 is: 231,740.45
Step by Step Solution
- Step 1: Write the proportion equation
303,898.12 : 419,378.36 = 167,928.28 : x - Step 2: Convert to fraction form
303,898.12/419,378.36 = 167,928.28/x - Step 3: Cross multiply
303,898.12x = 419,378.36 × 167,928.28 - Step 4: Simplify right side
303,898.12x = 70,425,486,664.02 - Step 5: Solve for x
x = 70,425,486,664.02/303,898.12 - Step 6: Final answer
x = 231,740.45
Related Problems
Find fourth proportional to 151,949.06, 209,689.18 and 83,964.14
Half scale
Find fourth proportional to 607,796.24, 838,756.72 and 335,856.56
Double scale
Find fourth proportional to 303,899.12, 419,379.74 and 167,929.28
Similar ratio
Find fourth proportional to 455,847.18, 629,067.54 and 251,892.42
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.