Finding the Fourth Proportional to 363,872,108.70, 545,808,163.05 and 354,306,170.70
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Solution
The fourth proportional to 363,872,108.70, 545,808,163.05 and 354,306,170.70 is: 531,459,256.05
Step by Step Solution
- Step 1: Write the proportion equation
363,872,108.70 : 545,808,163.05 = 354,306,170.70 : x - Step 2: Convert to fraction form
363,872,108.70/545,808,163.05 = 354,306,170.70/x - Step 3: Cross multiply
363,872,108.70x = 545,808,163.05 × 354,306,170.70 - Step 4: Simplify right side
363,872,108.70x = 193,383,200,187,046,720 - Step 5: Solve for x
x = 193,383,200,187,046,720/363,872,108.70 - Step 6: Final answer
x = 531,459,256.05
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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.