Finding the Fourth Proportional to 408,108.80, 612,163.20 and 295,551.20
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Solution
The fourth proportional to 408,108.80, 612,163.20 and 295,551.20 is: 443,326.80
Step by Step Solution
- Step 1: Write the proportion equation
408,108.80 : 612,163.20 = 295,551.20 : x - Step 2: Convert to fraction form
408,108.80/612,163.20 = 295,551.20/x - Step 3: Cross multiply
408,108.80x = 612,163.20 × 295,551.20 - Step 4: Simplify right side
408,108.80x = 180,925,568,355.84 - Step 5: Solve for x
x = 180,925,568,355.84/408,108.80 - Step 6: Final answer
x = 443,326.80
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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.