Finding the Fourth Proportional to 327,945.11, 491,992.99 and 170,138.48
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Solution
The fourth proportional to 327,945.11, 491,992.99 and 170,138.48 is: 255,246.79
Step by Step Solution
- Step 1: Write the proportion equation
327,945.11 : 491,992.99 = 170,138.48 : x - Step 2: Convert to fraction form
327,945.11/491,992.99 = 170,138.48/x - Step 3: Cross multiply
327,945.11x = 491,992.99 × 170,138.48 - Step 4: Simplify right side
327,945.11x = 83,706,936,603.94 - Step 5: Solve for x
x = 83,706,936,603.94/327,945.11 - Step 6: Final answer
x = 255,246.79
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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.