Finding the Fourth Proportional to 132,224.20, 198,310.84 and 37,431.44
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Solution
The fourth proportional to 132,224.20, 198,310.84 and 37,431.44 is: 56,139.95
Step by Step Solution
- Step 1: Write the proportion equation
132,224.20 : 198,310.84 = 37,431.44 : x - Step 2: Convert to fraction form
132,224.20/198,310.84 = 37,431.44/x - Step 3: Cross multiply
132,224.20x = 198,310.84 × 37,431.44 - Step 4: Simplify right side
132,224.20x = 7,423,060,308.81 - Step 5: Solve for x
x = 7,423,060,308.81/132,224.20 - Step 6: Final answer
x = 56,139.95
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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.