Finding the Fourth Proportional to 356,533.05, 534,439.70 and 223,506.75
Calculator
Solution
The fourth proportional to 356,533.05, 534,439.70 and 223,506.75 is: 335,034.52
Step by Step Solution
- Step 1: Write the proportion equation
356,533.05 : 534,439.70 = 223,506.75 : x - Step 2: Convert to fraction form
356,533.05/534,439.70 = 223,506.75/x - Step 3: Cross multiply
356,533.05x = 534,439.70 × 223,506.75 - Step 4: Simplify right side
356,533.05x = 119,450,880,417.98 - Step 5: Solve for x
x = 119,450,880,417.98/356,533.05 - Step 6: Final answer
x = 335,034.52
Related Problems
Find fourth proportional to 178,266.53, 267,219.85 and 111,753.38
Half scale
Find fourth proportional to 713,066.10, 1,068,879.40 and 447,013.50
Double scale
Find fourth proportional to 356,534.05, 534,441.20 and 223,507.75
Similar ratio
Find fourth proportional to 534,799.58, 801,659.55 and 335,260.13
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.