Finding the Fourth Proportional to 283,809.70, 391,451.52 and 193,004.26
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Solution
The fourth proportional to 283,809.70, 391,451.52 and 193,004.26 is: 266,205.88
Step by Step Solution
- Step 1: Write the proportion equation
283,809.70 : 391,451.52 = 193,004.26 : x - Step 2: Convert to fraction form
283,809.70/391,451.52 = 193,004.26/x - Step 3: Cross multiply
283,809.70x = 391,451.52 × 193,004.26 - Step 4: Simplify right side
283,809.70x = 75,551,810,943.48 - Step 5: Solve for x
x = 75,551,810,943.48/283,809.70 - Step 6: Final answer
x = 266,205.88
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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.