Finding the Fourth Proportional to 168,325.92, 252,489.29 and 68,415.66
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Solution
The fourth proportional to 168,325.92, 252,489.29 and 68,415.66 is: 102,623.65
Step by Step Solution
- Step 1: Write the proportion equation
168,325.92 : 252,489.29 = 68,415.66 : x - Step 2: Convert to fraction form
168,325.92/252,489.29 = 68,415.66/x - Step 3: Cross multiply
168,325.92x = 252,489.29 × 68,415.66 - Step 4: Simplify right side
168,325.92x = 17,274,221,076.20 - Step 5: Solve for x
x = 17,274,221,076.20/168,325.92 - Step 6: Final answer
x = 102,623.65
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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.