Finding the Fourth Proportional to 228,660.76, 343,201.66 and 116,421.20
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Solution
The fourth proportional to 228,660.76, 343,201.66 and 116,421.20 is: 174,738.98
Step by Step Solution
- Step 1: Write the proportion equation
228,660.76 : 343,201.66 = 116,421.20 : x - Step 2: Convert to fraction form
228,660.76/343,201.66 = 116,421.20/x - Step 3: Cross multiply
228,660.76x = 343,201.66 × 116,421.20 - Step 4: Simplify right side
228,660.76x = 39,955,949,099.19 - Step 5: Solve for x
x = 39,955,949,099.19/228,660.76 - Step 6: Final answer
x = 174,738.98
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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.