Finding the Fourth Proportional to 283,421.97, 391,149.95 and 211,677.44
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Solution
The fourth proportional to 283,421.97, 391,149.95 and 211,677.44 is: 292,135.49
Step by Step Solution
- Step 1: Write the proportion equation
283,421.97 : 391,149.95 = 211,677.44 : x - Step 2: Convert to fraction form
283,421.97/391,149.95 = 211,677.44/x - Step 3: Cross multiply
283,421.97x = 391,149.95 × 211,677.44 - Step 4: Simplify right side
283,421.97x = 82,797,617,057.99 - Step 5: Solve for x
x = 82,797,617,057.99/283,421.97 - Step 6: Final answer
x = 292,135.49
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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.