Finding the Fourth Proportional to 324,385.36, 486,525.21 and 113,974.18
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Solution
The fourth proportional to 324,385.36, 486,525.21 and 113,974.18 is: 170,942.71
Step by Step Solution
- Step 1: Write the proportion equation
324,385.36 : 486,525.21 = 113,974.18 : x - Step 2: Convert to fraction form
324,385.36/486,525.21 = 113,974.18/x - Step 3: Cross multiply
324,385.36x = 486,525.21 × 113,974.18 - Step 4: Simplify right side
324,385.36x = 55,451,311,859.08 - Step 5: Solve for x
x = 55,451,311,859.08/324,385.36 - Step 6: Final answer
x = 170,942.71
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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.