Finding the Fourth Proportional to 283,680.12, 391,450.53 and 168,935.94
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Solution
The fourth proportional to 283,680.12, 391,450.53 and 168,935.94 is: 233,114.90
Step by Step Solution
- Step 1: Write the proportion equation
283,680.12 : 391,450.53 = 168,935.94 : x - Step 2: Convert to fraction form
283,680.12/391,450.53 = 168,935.94/x - Step 3: Cross multiply
283,680.12x = 391,450.53 × 168,935.94 - Step 4: Simplify right side
283,680.12x = 66,130,063,249.05 - Step 5: Solve for x
x = 66,130,063,249.05/283,680.12 - Step 6: Final answer
x = 233,114.90
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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.