Finding the Fourth Proportional to 486,173.28, 670,952.84 and 271,355.20
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Solution
The fourth proportional to 486,173.28, 670,952.84 and 271,355.20 is: 374,488.99
Step by Step Solution
- Step 1: Write the proportion equation
486,173.28 : 670,952.84 = 271,355.20 : x - Step 2: Convert to fraction form
486,173.28/670,952.84 = 271,355.20/x - Step 3: Cross multiply
486,173.28x = 670,952.84 × 271,355.20 - Step 4: Simplify right side
486,173.28x = 182,066,542,088.77 - Step 5: Solve for x
x = 182,066,542,088.77/486,173.28 - Step 6: Final answer
x = 374,488.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.