Finding the Fourth Proportional to 67,147.92, 100,701.25 and 22,160.99
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Solution
The fourth proportional to 67,147.92, 100,701.25 and 22,160.99 is: 33,234.68
Step by Step Solution
- Step 1: Write the proportion equation
67,147.92 : 100,701.25 = 22,160.99 : x - Step 2: Convert to fraction form
67,147.92/100,701.25 = 22,160.99/x - Step 3: Cross multiply
67,147.92x = 100,701.25 × 22,160.99 - Step 4: Simplify right side
67,147.92x = 2,231,639,394.24 - Step 5: Solve for x
x = 2,231,639,394.24/67,147.92 - Step 6: Final answer
x = 33,234.68
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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.