Finding the Fourth Proportional to 164,742.60, 227,344.68 and 89,291.12
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Solution
The fourth proportional to 164,742.60, 227,344.68 and 89,291.12 is: 123,221.69
Step by Step Solution
- Step 1: Write the proportion equation
164,742.60 : 227,344.68 = 89,291.12 : x - Step 2: Convert to fraction form
164,742.60/227,344.68 = 89,291.12/x - Step 3: Cross multiply
164,742.60x = 227,344.68 × 89,291.12 - Step 4: Simplify right side
164,742.60x = 20,299,861,103.24 - Step 5: Solve for x
x = 20,299,861,103.24/164,742.60 - Step 6: Final answer
x = 123,221.69
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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.