Finding the Fourth Proportional to 289,446.36, 434,836.98 and 277,489.14
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Solution
The fourth proportional to 289,446.36, 434,836.98 and 277,489.14 is: 416,873.58
Step by Step Solution
- Step 1: Write the proportion equation
289,446.36 : 434,836.98 = 277,489.14 : x - Step 2: Convert to fraction form
289,446.36/434,836.98 = 277,489.14/x - Step 3: Cross multiply
289,446.36x = 434,836.98 × 277,489.14 - Step 4: Simplify right side
289,446.36x = 120,662,539,620.40 - Step 5: Solve for x
x = 120,662,539,620.40/289,446.36 - Step 6: Final answer
x = 416,873.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.