Finding the Fourth Proportional to 146,891.22, 220,301.19 and 67,929.99
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Solution
The fourth proportional to 146,891.22, 220,301.19 and 67,929.99 is: 101,878.50
Step by Step Solution
- Step 1: Write the proportion equation
146,891.22 : 220,301.19 = 67,929.99 : x - Step 2: Convert to fraction form
146,891.22/220,301.19 = 67,929.99/x - Step 3: Cross multiply
146,891.22x = 220,301.19 × 67,929.99 - Step 4: Simplify right side
146,891.22x = 14,965,057,633.69 - Step 5: Solve for x
x = 14,965,057,633.69/146,891.22 - Step 6: Final answer
x = 101,878.50
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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.