Finding the Fourth Proportional to 738,469.19, 1,107,605.36 and 205,945.62
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Solution
The fourth proportional to 738,469.19, 1,107,605.36 and 205,945.62 is: 308,890.98
Step by Step Solution
- Step 1: Write the proportion equation
738,469.19 : 1,107,605.36 = 205,945.62 : x - Step 2: Convert to fraction form
738,469.19/1,107,605.36 = 205,945.62/x - Step 3: Cross multiply
738,469.19x = 1,107,605.36 × 205,945.62 - Step 4: Simplify right side
738,469.19x = 228,106,471,550.80 - Step 5: Solve for x
x = 228,106,471,550.80/738,469.19 - Step 6: Final answer
x = 308,890.98
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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.