Finding the Fourth Proportional to 228,660.75, 343,201.68 and 116,421.21
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Solution
The fourth proportional to 228,660.75, 343,201.68 and 116,421.21 is: 174,739.02
Step by Step Solution
- Step 1: Write the proportion equation
228,660.75 : 343,201.68 = 116,421.21 : x - Step 2: Convert to fraction form
228,660.75/343,201.68 = 116,421.21/x - Step 3: Cross multiply
228,660.75x = 343,201.68 × 116,421.21 - Step 4: Simplify right side
228,660.75x = 39,955,954,859.63 - Step 5: Solve for x
x = 39,955,954,859.63/228,660.75 - Step 6: Final answer
x = 174,739.02
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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.