Finding the Fourth Proportional to 336,512.40, 504,757.68 and 136,779.18
Calculator
Solution
The fourth proportional to 336,512.40, 504,757.68 and 136,779.18 is: 205,164.33
Step by Step Solution
- Step 1: Write the proportion equation
336,512.40 : 504,757.68 = 136,779.18 : x - Step 2: Convert to fraction form
336,512.40/504,757.68 = 136,779.18/x - Step 3: Cross multiply
336,512.40x = 504,757.68 × 136,779.18 - Step 4: Simplify right side
336,512.40x = 69,040,341,569.10 - Step 5: Solve for x
x = 69,040,341,569.10/336,512.40 - Step 6: Final answer
x = 205,164.33
Related Problems
Find fourth proportional to 168,256.20, 252,378.84 and 68,389.59
Half scale
Find fourth proportional to 673,024.80, 1,009,515.36 and 273,558.36
Double scale
Find fourth proportional to 336,513.40, 504,759.18 and 136,780.18
Similar ratio
Find fourth proportional to 504,768.60, 757,136.52 and 205,168.77
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.