Finding the Fourth Proportional to 121,836.24, 182,618.64 and 50,719.68
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Solution
The fourth proportional to 121,836.24, 182,618.64 and 50,719.68 is: 76,023.02
Step by Step Solution
- Step 1: Write the proportion equation
121,836.24 : 182,618.64 = 50,719.68 : x - Step 2: Convert to fraction form
121,836.24/182,618.64 = 50,719.68/x - Step 3: Cross multiply
121,836.24x = 182,618.64 × 50,719.68 - Step 4: Simplify right side
121,836.24x = 9,262,358,982.84 - Step 5: Solve for x
x = 9,262,358,982.84/121,836.24 - Step 6: Final answer
x = 76,023.02
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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.