Finding the Fourth Proportional to 685,542.44, 1,028,302.62 and 186,906.44
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Solution
The fourth proportional to 685,542.44, 1,028,302.62 and 186,906.44 is: 280,356.65
Step by Step Solution
- Step 1: Write the proportion equation
685,542.44 : 1,028,302.62 = 186,906.44 : x - Step 2: Convert to fraction form
685,542.44/1,028,302.62 = 186,906.44/x - Step 3: Cross multiply
685,542.44x = 1,028,302.62 × 186,906.44 - Step 4: Simplify right side
685,542.44x = 192,196,381,946.87 - Step 5: Solve for x
x = 192,196,381,946.87/685,542.44 - Step 6: Final answer
x = 280,356.65
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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.