Finding the Fourth Proportional to 226,506.88, 312,322.68 and 144,727.08
Calculator
Solution
The fourth proportional to 226,506.88, 312,322.68 and 144,727.08 is: 199,559.28
Step by Step Solution
- Step 1: Write the proportion equation
226,506.88 : 312,322.68 = 144,727.08 : x - Step 2: Convert to fraction form
226,506.88/312,322.68 = 144,727.08/x - Step 3: Cross multiply
226,506.88x = 312,322.68 × 144,727.08 - Step 4: Simplify right side
226,506.88x = 45,201,549,494.17 - Step 5: Solve for x
x = 45,201,549,494.17/226,506.88 - Step 6: Final answer
x = 199,559.28
Related Problems
Find fourth proportional to 113,253.44, 156,161.34 and 72,363.54
Half scale
Find fourth proportional to 453,013.76, 624,645.36 and 289,454.16
Double scale
Find fourth proportional to 226,507.88, 312,324.06 and 144,728.08
Similar ratio
Find fourth proportional to 339,760.32, 468,484.02 and 217,090.62
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.