Finding the Fourth Proportional to 244,212.80, 365,881.80 and 209,220.80
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Solution
The fourth proportional to 244,212.80, 365,881.80 and 209,220.80 is: 313,456.47
Step by Step Solution
- Step 1: Write the proportion equation
244,212.80 : 365,881.80 = 209,220.80 : x - Step 2: Convert to fraction form
244,212.80/365,881.80 = 209,220.80/x - Step 3: Cross multiply
244,212.80x = 365,881.80 × 209,220.80 - Step 4: Simplify right side
244,212.80x = 76,550,082,901.44 - Step 5: Solve for x
x = 76,550,082,901.44/244,212.80 - Step 6: Final answer
x = 313,456.47
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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.