Finding the Fourth Proportional to 460,122.20, 690,206.70 and 144,582.20
Calculator
Solution
The fourth proportional to 460,122.20, 690,206.70 and 144,582.20 is: 216,880.65
Step by Step Solution
- Step 1: Write the proportion equation
460,122.20 : 690,206.70 = 144,582.20 : x - Step 2: Convert to fraction form
460,122.20/690,206.70 = 144,582.20/x - Step 3: Cross multiply
460,122.20x = 690,206.70 × 144,582.20 - Step 4: Simplify right side
460,122.20x = 99,791,603,140.74 - Step 5: Solve for x
x = 99,791,603,140.74/460,122.20 - Step 6: Final answer
x = 216,880.65
Related Problems
Find fourth proportional to 230,061.10, 345,103.35 and 72,291.10
Half scale
Find fourth proportional to 920,244.40, 1,380,413.40 and 289,164.40
Double scale
Find fourth proportional to 460,123.20, 690,208.20 and 144,583.20
Similar ratio
Find fourth proportional to 690,183.30, 1,035,310.05 and 216,873.30
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.