Finding the Fourth Proportional to 216,247.22, 298,419.90 and 120,753.99
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Solution
The fourth proportional to 216,247.22, 298,419.90 and 120,753.99 is: 166,639.80
Step by Step Solution
- Step 1: Write the proportion equation
216,247.22 : 298,419.90 = 120,753.99 : x - Step 2: Convert to fraction form
216,247.22/298,419.90 = 120,753.99/x - Step 3: Cross multiply
216,247.22x = 298,419.90 × 120,753.99 - Step 4: Simplify right side
216,247.22x = 36,035,393,167.57 - Step 5: Solve for x
x = 36,035,393,167.57/216,247.22 - Step 6: Final answer
x = 166,639.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.