Finding the Fourth Proportional to 243,138.96, 335,130.12 and 162,537.08
Calculator
Solution
The fourth proportional to 243,138.96, 335,130.12 and 162,537.08 is: 224,032.67
Step by Step Solution
- Step 1: Write the proportion equation
243,138.96 : 335,130.12 = 162,537.08 : x - Step 2: Convert to fraction form
243,138.96/335,130.12 = 162,537.08/x - Step 3: Cross multiply
243,138.96x = 335,130.12 × 162,537.08 - Step 4: Simplify right side
243,138.96x = 54,471,069,449.20 - Step 5: Solve for x
x = 54,471,069,449.20/243,138.96 - Step 6: Final answer
x = 224,032.67
Related Problems
Find fourth proportional to 121,569.48, 167,565.06 and 81,268.54
Half scale
Find fourth proportional to 486,277.92, 670,260.24 and 325,074.15
Double scale
Find fourth proportional to 243,139.96, 335,131.50 and 162,538.08
Similar ratio
Find fourth proportional to 364,708.44, 502,695.18 and 243,805.61
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.