Finding the Fourth Proportional to 216,201.18, 324,319.05 and 75,991.26
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Solution
The fourth proportional to 216,201.18, 324,319.05 and 75,991.26 is: 113,992.96
Step by Step Solution
- Step 1: Write the proportion equation
216,201.18 : 324,319.05 = 75,991.26 : x - Step 2: Convert to fraction form
216,201.18/324,319.05 = 75,991.26/x - Step 3: Cross multiply
216,201.18x = 324,319.05 × 75,991.26 - Step 4: Simplify right side
216,201.18x = 24,645,413,251.50 - Step 5: Solve for x
x = 24,645,413,251.50/216,201.18 - Step 6: Final answer
x = 113,992.96
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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.