Finding the Fourth Proportional to 350,692.80, 526,039.20 and 129,163.20
Calculator
Solution
The fourth proportional to 350,692.80, 526,039.20 and 129,163.20 is: 193,744.80
Step by Step Solution
- Step 1: Write the proportion equation
350,692.80 : 526,039.20 = 129,163.20 : x - Step 2: Convert to fraction form
350,692.80/526,039.20 = 129,163.20/x - Step 3: Cross multiply
350,692.80x = 526,039.20 × 129,163.20 - Step 4: Simplify right side
350,692.80x = 67,944,906,397.44 - Step 5: Solve for x
x = 67,944,906,397.44/350,692.80 - Step 6: Final answer
x = 193,744.80
Related Problems
Find fourth proportional to 175,346.40, 263,019.60 and 64,581.60
Half scale
Find fourth proportional to 701,385.60, 1,052,078.40 and 258,326.40
Double scale
Find fourth proportional to 350,693.80, 526,040.70 and 129,164.20
Similar ratio
Find fourth proportional to 526,039.20, 789,058.80 and 193,744.80
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.