Finding the Fourth Proportional to 168,541.05, 252,713.76 and 79,793.80
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Solution
The fourth proportional to 168,541.05, 252,713.76 and 79,793.80 is: 119,644.39
Step by Step Solution
- Step 1: Write the proportion equation
168,541.05 : 252,713.76 = 79,793.80 : x - Step 2: Convert to fraction form
168,541.05/252,713.76 = 79,793.80/x - Step 3: Cross multiply
168,541.05x = 252,713.76 × 79,793.80 - Step 4: Simplify right side
168,541.05x = 20,164,991,222.69 - Step 5: Solve for x
x = 20,164,991,222.69/168,541.05 - Step 6: Final answer
x = 119,644.39
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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.