Finding the Fourth Proportional to 164,219.77, 226,624.92 and 91,622.08
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Solution
The fourth proportional to 164,219.77, 226,624.92 and 91,622.08 is: 126,439.38
Step by Step Solution
- Step 1: Write the proportion equation
164,219.77 : 226,624.92 = 91,622.08 : x - Step 2: Convert to fraction form
164,219.77/226,624.92 = 91,622.08/x - Step 3: Cross multiply
164,219.77x = 226,624.92 × 91,622.08 - Step 4: Simplify right side
164,219.77x = 20,763,846,550.23 - Step 5: Solve for x
x = 20,763,846,550.23/164,219.77 - Step 6: Final answer
x = 126,439.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.