Finding the Fourth Proportional to 738,405.98, 1,107,608.85 and 177,440.48
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Solution
The fourth proportional to 738,405.98, 1,107,608.85 and 177,440.48 is: 266,160.69
Step by Step Solution
- Step 1: Write the proportion equation
738,405.98 : 1,107,608.85 = 177,440.48 : x - Step 2: Convert to fraction form
738,405.98/1,107,608.85 = 177,440.48/x - Step 3: Cross multiply
738,405.98x = 1,107,608.85 × 177,440.48 - Step 4: Simplify right side
738,405.98x = 196,534,640,458.20 - Step 5: Solve for x
x = 196,534,640,458.20/738,405.98 - Step 6: Final answer
x = 266,160.69
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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.