Finding the Fourth Proportional to 434,828.18, 599,808.69 and 273,427.70
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Solution
The fourth proportional to 434,828.18, 599,808.69 and 273,427.70 is: 377,170.38
Step by Step Solution
- Step 1: Write the proportion equation
434,828.18 : 599,808.69 = 273,427.70 : x - Step 2: Convert to fraction form
434,828.18/599,808.69 = 273,427.70/x - Step 3: Cross multiply
434,828.18x = 599,808.69 × 273,427.70 - Step 4: Simplify right side
434,828.18x = 164,004,310,546.71 - Step 5: Solve for x
x = 164,004,310,546.71/434,828.18 - Step 6: Final answer
x = 377,170.38
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1.5x scale
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.