Finding the Fourth Proportional to 323,821.70, 485,732.55 and 102,205.70
Calculator
Solution
The fourth proportional to 323,821.70, 485,732.55 and 102,205.70 is: 153,308.55
Step by Step Solution
- Step 1: Write the proportion equation
323,821.70 : 485,732.55 = 102,205.70 : x - Step 2: Convert to fraction form
323,821.70/485,732.55 = 102,205.70/x - Step 3: Cross multiply
323,821.70x = 485,732.55 × 102,205.70 - Step 4: Simplify right side
323,821.70x = 49,644,635,285.54 - Step 5: Solve for x
x = 49,644,635,285.54/323,821.70 - Step 6: Final answer
x = 153,308.55
Related Problems
Find fourth proportional to 161,910.85, 242,866.28 and 51,102.85
Half scale
Find fourth proportional to 647,643.40, 971,465.10 and 204,411.40
Double scale
Find fourth proportional to 323,822.70, 485,734.05 and 102,206.70
Similar ratio
Find fourth proportional to 485,732.55, 728,598.83 and 153,308.55
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.