Finding the Fourth Proportional to 283,808.70, 391,450.14 and 193,003.26
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Solution
The fourth proportional to 283,808.70, 391,450.14 and 193,003.26 is: 266,204.50
Step by Step Solution
- Step 1: Write the proportion equation
283,808.70 : 391,450.14 = 193,003.26 : x - Step 2: Convert to fraction form
283,808.70/391,450.14 = 193,003.26/x - Step 3: Cross multiply
283,808.70x = 391,450.14 × 193,003.26 - Step 4: Simplify right side
283,808.70x = 75,551,153,147.46 - Step 5: Solve for x
x = 75,551,153,147.46/283,808.70 - Step 6: Final answer
x = 266,204.50
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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.