Finding the Fourth Proportional to 307,213.76, 461,028.11 and 107,535.80
Calculator
Solution
The fourth proportional to 307,213.76, 461,028.11 and 107,535.80 is: 161,376.32
Step by Step Solution
- Step 1: Write the proportion equation
307,213.76 : 461,028.11 = 107,535.80 : x - Step 2: Convert to fraction form
307,213.76/461,028.11 = 107,535.80/x - Step 3: Cross multiply
307,213.76x = 461,028.11 × 107,535.80 - Step 4: Simplify right side
307,213.76x = 49,577,027,246.23 - Step 5: Solve for x
x = 49,577,027,246.23/307,213.76 - Step 6: Final answer
x = 161,376.32
Related Problems
Find fourth proportional to 153,606.88, 230,514.05 and 53,767.90
Half scale
Find fourth proportional to 614,427.53, 922,056.21 and 215,071.61
Double scale
Find fourth proportional to 307,214.76, 461,029.61 and 107,536.80
Similar ratio
Find fourth proportional to 460,820.64, 691,542.16 and 161,303.70
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.