Finding the Fourth Proportional to 168,224.36, 252,234.90 and 67,037.97
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Solution
The fourth proportional to 168,224.36, 252,234.90 and 67,037.97 is: 100,516.45
Step by Step Solution
- Step 1: Write the proportion equation
168,224.36 : 252,234.90 = 67,037.97 : x - Step 2: Convert to fraction form
168,224.36/252,234.90 = 67,037.97/x - Step 3: Cross multiply
168,224.36x = 252,234.90 × 67,037.97 - Step 4: Simplify right side
168,224.36x = 16,909,315,323.96 - Step 5: Solve for x
x = 16,909,315,323.96/168,224.36 - Step 6: Final answer
x = 100,516.45
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1.5x scale
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.