Finding the Fourth Proportional to 214,450.56, 295,975.68 and 129,579.84
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Solution
The fourth proportional to 214,450.56, 295,975.68 and 129,579.84 is: 178,840.67
Step by Step Solution
- Step 1: Write the proportion equation
214,450.56 : 295,975.68 = 129,579.84 : x - Step 2: Convert to fraction form
214,450.56/295,975.68 = 129,579.84/x - Step 3: Cross multiply
214,450.56x = 295,975.68 × 129,579.84 - Step 4: Simplify right side
214,450.56x = 38,352,481,258.29 - Step 5: Solve for x
x = 38,352,481,258.29/214,450.56 - Step 6: Final answer
x = 178,840.67
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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.