Finding the Fourth Proportional to 132,476.16, 198,800.64 and 121,797.12
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Solution
The fourth proportional to 132,476.16, 198,800.64 and 121,797.12 is: 182,775.12
Step by Step Solution
- Step 1: Write the proportion equation
132,476.16 : 198,800.64 = 121,797.12 : x - Step 2: Convert to fraction form
132,476.16/198,800.64 = 121,797.12/x - Step 3: Cross multiply
132,476.16x = 198,800.64 × 121,797.12 - Step 4: Simplify right side
132,476.16x = 24,213,345,406.16 - Step 5: Solve for x
x = 24,213,345,406.16/132,476.16 - Step 6: Final answer
x = 182,775.12
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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.