Finding the Fourth Proportional to 160,535.36, 221,563.68 and 91,624.88
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Solution
The fourth proportional to 160,535.36, 221,563.68 and 91,624.88 is: 126,456.54
Step by Step Solution
- Step 1: Write the proportion equation
160,535.36 : 221,563.68 = 91,624.88 : x - Step 2: Convert to fraction form
160,535.36/221,563.68 = 91,624.88/x - Step 3: Cross multiply
160,535.36x = 221,563.68 × 91,624.88 - Step 4: Simplify right side
160,535.36x = 20,300,745,592.36 - Step 5: Solve for x
x = 20,300,745,592.36/160,535.36 - Step 6: Final answer
x = 126,456.54
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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.