Finding the Fourth Proportional to 738,072.20, 1,107,302.70 and 264,708.20
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Solution
The fourth proportional to 738,072.20, 1,107,302.70 and 264,708.20 is: 397,132.02
Step by Step Solution
- Step 1: Write the proportion equation
738,072.20 : 1,107,302.70 = 264,708.20 : x - Step 2: Convert to fraction form
738,072.20/1,107,302.70 = 264,708.20/x - Step 3: Cross multiply
738,072.20x = 1,107,302.70 × 264,708.20 - Step 4: Simplify right side
738,072.20x = 293,112,104,572.14 - Step 5: Solve for x
x = 293,112,104,572.14/738,072.20 - Step 6: Final answer
x = 397,132.02
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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.