Finding the Fourth Proportional to 243,828.20, 365,450.70 and 125,438.60
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Solution
The fourth proportional to 243,828.20, 365,450.70 and 125,438.60 is: 188,007.88
Step by Step Solution
- Step 1: Write the proportion equation
243,828.20 : 365,450.70 = 125,438.60 : x - Step 2: Convert to fraction form
243,828.20/365,450.70 = 125,438.60/x - Step 3: Cross multiply
243,828.20x = 365,450.70 × 125,438.60 - Step 4: Simplify right side
243,828.20x = 45,841,624,177.02 - Step 5: Solve for x
x = 45,841,624,177.02/243,828.20 - Step 6: Final answer
x = 188,007.88
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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.