Finding the Fourth Proportional to 443,310.75, 611,768.84 and 242,106.75
Calculator
Solution
The fourth proportional to 443,310.75, 611,768.84 and 242,106.75 is: 334,107.32
Step by Step Solution
- Step 1: Write the proportion equation
443,310.75 : 611,768.84 = 242,106.75 : x - Step 2: Convert to fraction form
443,310.75/611,768.84 = 242,106.75/x - Step 3: Cross multiply
443,310.75x = 611,768.84 × 242,106.75 - Step 4: Simplify right side
443,310.75x = 148,113,364,393.14 - Step 5: Solve for x
x = 148,113,364,393.14/443,310.75 - Step 6: Final answer
x = 334,107.32
Related Problems
Find fourth proportional to 221,655.38, 305,884.42 and 121,053.38
Half scale
Find fourth proportional to 886,621.50, 1,223,537.67 and 484,213.50
Double scale
Find fourth proportional to 443,311.75, 611,770.22 and 242,107.75
Similar ratio
Find fourth proportional to 664,966.13, 917,653.25 and 363,160.13
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.