Finding the Fourth Proportional to 241,213.63, 361,565.09 and 81,137.18
Calculator
Solution
The fourth proportional to 241,213.63, 361,565.09 and 81,137.18 is: 121,619.88
Step by Step Solution
- Step 1: Write the proportion equation
241,213.63 : 361,565.09 = 81,137.18 : x - Step 2: Convert to fraction form
241,213.63/361,565.09 = 81,137.18/x - Step 3: Cross multiply
241,213.63x = 361,565.09 × 81,137.18 - Step 4: Simplify right side
241,213.63x = 29,336,371,789.05 - Step 5: Solve for x
x = 29,336,371,789.05/241,213.63 - Step 6: Final answer
x = 121,619.88
Related Problems
Find fourth proportional to 120,606.82, 180,782.55 and 40,568.59
Half scale
Find fourth proportional to 482,427.26, 723,130.18 and 162,274.36
Double scale
Find fourth proportional to 241,214.63, 361,566.59 and 81,138.18
Similar ratio
Find fourth proportional to 361,820.45, 542,347.64 and 121,705.77
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.