Finding the Fourth Proportional to 474,203.80, 711,305.70 and 208,091.80
Calculator
Solution
The fourth proportional to 474,203.80, 711,305.70 and 208,091.80 is: 312,137.70
Step by Step Solution
- Step 1: Write the proportion equation
474,203.80 : 711,305.70 = 208,091.80 : x - Step 2: Convert to fraction form
474,203.80/711,305.70 = 208,091.80/x - Step 3: Cross multiply
474,203.80x = 711,305.70 × 208,091.80 - Step 4: Simplify right side
474,203.80x = 148,016,883,463.26 - Step 5: Solve for x
x = 148,016,883,463.26/474,203.80 - Step 6: Final answer
x = 312,137.70
Related Problems
Find fourth proportional to 237,101.90, 355,652.85 and 104,045.90
Half scale
Find fourth proportional to 948,407.60, 1,422,611.40 and 416,183.60
Double scale
Find fourth proportional to 474,204.80, 711,307.20 and 208,092.80
Similar ratio
Find fourth proportional to 711,305.70, 1,066,958.55 and 312,137.70
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.