Finding the Fourth Proportional to 292,614.85, 438,922.26 and 82,252.79
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Solution
The fourth proportional to 292,614.85, 438,922.26 and 82,252.79 is: 123,379.17
Step by Step Solution
- Step 1: Write the proportion equation
292,614.85 : 438,922.26 = 82,252.79 : x - Step 2: Convert to fraction form
292,614.85/438,922.26 = 82,252.79/x - Step 3: Cross multiply
292,614.85x = 438,922.26 × 82,252.79 - Step 4: Simplify right side
292,614.85x = 36,102,578,283.49 - Step 5: Solve for x
x = 36,102,578,283.49/292,614.85 - Step 6: Final answer
x = 123,379.17
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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.