Finding the Fourth Proportional to 217,995.48, 327,142.66 and 84,876.44
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Solution
The fourth proportional to 217,995.48, 327,142.66 and 84,876.44 is: 127,372.84
Step by Step Solution
- Step 1: Write the proportion equation
217,995.48 : 327,142.66 = 84,876.44 : x - Step 2: Convert to fraction form
217,995.48/327,142.66 = 84,876.44/x - Step 3: Cross multiply
217,995.48x = 327,142.66 × 84,876.44 - Step 4: Simplify right side
217,995.48x = 27,766,704,352.93 - Step 5: Solve for x
x = 27,766,704,352.93/217,995.48 - Step 6: Final answer
x = 127,372.84
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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.