Finding the Fourth Proportional to 486,108.70, 729,163.05 and 486,108.70
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Solution
The fourth proportional to 486,108.70, 729,163.05 and 486,108.70 is: 729,163.05
Step by Step Solution
- Step 1: Write the proportion equation
486,108.70 : 729,163.05 = 486,108.70 : x - Step 2: Convert to fraction form
486,108.70/729,163.05 = 486,108.70/x - Step 3: Cross multiply
486,108.70x = 729,163.05 × 486,108.70 - Step 4: Simplify right side
486,108.70x = 354,452,502,323.54 - Step 5: Solve for x
x = 354,452,502,323.54/486,108.70 - Step 6: Final answer
x = 729,163.05
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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.