Finding the Fourth Proportional to 292,614.50, 438,921.75 and 82,252.44
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Solution
The fourth proportional to 292,614.50, 438,921.75 and 82,252.44 is: 123,378.66
Step by Step Solution
- Step 1: Write the proportion equation
292,614.50 : 438,921.75 = 82,252.44 : x - Step 2: Convert to fraction form
292,614.50/438,921.75 = 82,252.44/x - Step 3: Cross multiply
292,614.50x = 438,921.75 × 82,252.44 - Step 4: Simplify right side
292,614.50x = 36,102,384,906.57 - Step 5: Solve for x
x = 36,102,384,906.57/292,614.50 - Step 6: Final answer
x = 123,378.66
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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.