Finding the Fourth Proportional to 217,593.36, 326,212.92 and 84,404.88
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Solution
The fourth proportional to 217,593.36, 326,212.92 and 84,404.88 is: 126,538.61
Step by Step Solution
- Step 1: Write the proportion equation
217,593.36 : 326,212.92 = 84,404.88 : x - Step 2: Convert to fraction form
217,593.36/326,212.92 = 84,404.88/x - Step 3: Cross multiply
217,593.36x = 326,212.92 × 84,404.88 - Step 4: Simplify right side
217,593.36x = 27,533,962,367.05 - Step 5: Solve for x
x = 27,533,962,367.05/217,593.36 - Step 6: Final answer
x = 126,538.61
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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.