Finding the Fourth Proportional to 292,622.91, 438,934.36 and 82,260.84
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Solution
The fourth proportional to 292,622.91, 438,934.36 and 82,260.84 is: 123,391.26
Step by Step Solution
- Step 1: Write the proportion equation
292,622.91 : 438,934.36 = 82,260.84 : x - Step 2: Convert to fraction form
292,622.91/438,934.36 = 82,260.84/x - Step 3: Cross multiply
292,622.91x = 438,934.36 × 82,260.84 - Step 4: Simplify right side
292,622.91x = 36,107,108,747.16 - Step 5: Solve for x
x = 36,107,108,747.16/292,622.91 - Step 6: Final answer
x = 123,391.26
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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.