Finding the Fourth Proportional to 327,789.18, 491,721.84 and 114,491.07
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Solution
The fourth proportional to 327,789.18, 491,721.84 and 114,491.07 is: 171,749.90
Step by Step Solution
- Step 1: Write the proportion equation
327,789.18 : 491,721.84 = 114,491.07 : x - Step 2: Convert to fraction form
327,789.18/491,721.84 = 114,491.07/x - Step 3: Cross multiply
327,789.18x = 491,721.84 × 114,491.07 - Step 4: Simplify right side
327,789.18x = 56,297,759,603.97 - Step 5: Solve for x
x = 56,297,759,603.97/327,789.18 - Step 6: Final answer
x = 171,749.90
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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.