Finding the Fourth Proportional to 283,453.24, 391,137.09 and 174,540.13
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Solution
The fourth proportional to 283,453.24, 391,137.09 and 174,540.13 is: 240,847.90
Step by Step Solution
- Step 1: Write the proportion equation
283,453.24 : 391,137.09 = 174,540.13 : x - Step 2: Convert to fraction form
283,453.24/391,137.09 = 174,540.13/x - Step 3: Cross multiply
283,453.24x = 391,137.09 × 174,540.13 - Step 4: Simplify right side
283,453.24x = 68,269,118,536.42 - Step 5: Solve for x
x = 68,269,118,536.42/283,453.24 - Step 6: Final answer
x = 240,847.90
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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.