Finding the Fourth Proportional to 328,930.64, 453,935.27 and 201,581.63
Calculator
Solution
The fourth proportional to 328,930.64, 453,935.27 and 201,581.63 is: 278,189.38
Step by Step Solution
- Step 1: Write the proportion equation
328,930.64 : 453,935.27 = 201,581.63 : x - Step 2: Convert to fraction form
328,930.64/453,935.27 = 201,581.63/x - Step 3: Cross multiply
328,930.64x = 453,935.27 × 201,581.63 - Step 4: Simplify right side
328,930.64x = 91,505,010,633.18 - Step 5: Solve for x
x = 91,505,010,633.18/328,930.64 - Step 6: Final answer
x = 278,189.38
Related Problems
Find fourth proportional to 164,465.32, 226,967.63 and 100,790.82
Half scale
Find fourth proportional to 657,861.28, 907,870.53 and 403,163.26
Double scale
Find fourth proportional to 328,931.64, 453,936.65 and 201,582.63
Similar ratio
Find fourth proportional to 493,395.96, 680,902.90 and 302,372.45
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.