Finding the Fourth Proportional to 264,221.80, 396,332.70 and 259,847.80
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Solution
The fourth proportional to 264,221.80, 396,332.70 and 259,847.80 is: 389,771.70
Step by Step Solution
- Step 1: Write the proportion equation
264,221.80 : 396,332.70 = 259,847.80 : x - Step 2: Convert to fraction form
264,221.80/396,332.70 = 259,847.80/x - Step 3: Cross multiply
264,221.80x = 396,332.70 × 259,847.80 - Step 4: Simplify right side
264,221.80x = 102,986,180,163.06 - Step 5: Solve for x
x = 102,986,180,163.06/264,221.80 - Step 6: Final answer
x = 389,771.70
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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.