Finding the Fourth Proportional to 364,808.80, 547,213.20 and 252,615.70
Calculator
Solution
The fourth proportional to 364,808.80, 547,213.20 and 252,615.70 is: 378,923.55
Step by Step Solution
- Step 1: Write the proportion equation
364,808.80 : 547,213.20 = 252,615.70 : x - Step 2: Convert to fraction form
364,808.80/547,213.20 = 252,615.70/x - Step 3: Cross multiply
364,808.80x = 547,213.20 × 252,615.70 - Step 4: Simplify right side
364,808.80x = 138,234,645,567.24 - Step 5: Solve for x
x = 138,234,645,567.24/364,808.80 - Step 6: Final answer
x = 378,923.55
Related Problems
Find fourth proportional to 182,404.40, 273,606.60 and 126,307.85
Half scale
Find fourth proportional to 729,617.60, 1,094,426.40 and 505,231.40
Double scale
Find fourth proportional to 364,809.80, 547,214.70 and 252,616.70
Similar ratio
Find fourth proportional to 547,213.20, 820,819.80 and 378,923.55
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.