Finding the Fourth Proportional to 221,465.03, 332,344.11 and 121,694.70
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Solution
The fourth proportional to 221,465.03, 332,344.11 and 121,694.70 is: 182,622.58
Step by Step Solution
- Step 1: Write the proportion equation
221,465.03 : 332,344.11 = 121,694.70 : x - Step 2: Convert to fraction form
221,465.03/332,344.11 = 121,694.70/x - Step 3: Cross multiply
221,465.03x = 332,344.11 × 121,694.70 - Step 4: Simplify right side
221,465.03x = 40,444,514,634.91 - Step 5: Solve for x
x = 40,444,514,634.91/221,465.03 - Step 6: Final answer
x = 182,622.58
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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.