Finding the Fourth Proportional to 738,109.20, 1,107,163.80 and 264,842.40
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Solution
The fourth proportional to 738,109.20, 1,107,163.80 and 264,842.40 is: 397,263.60
Step by Step Solution
- Step 1: Write the proportion equation
738,109.20 : 1,107,163.80 = 264,842.40 : x - Step 2: Convert to fraction form
738,109.20/1,107,163.80 = 264,842.40/x - Step 3: Cross multiply
738,109.20x = 1,107,163.80 × 264,842.40 - Step 4: Simplify right side
738,109.20x = 293,223,917,985.12 - Step 5: Solve for x
x = 293,223,917,985.12/738,109.20 - Step 6: Final answer
x = 397,263.60
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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.