Finding the Fourth Proportional to 102,789.05, 154,208.12 and 32,668.49
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Solution
The fourth proportional to 102,789.05, 154,208.12 and 32,668.49 is: 49,010.53
Step by Step Solution
- Step 1: Write the proportion equation
102,789.05 : 154,208.12 = 32,668.49 : x - Step 2: Convert to fraction form
102,789.05/154,208.12 = 32,668.49/x - Step 3: Cross multiply
102,789.05x = 154,208.12 × 32,668.49 - Step 4: Simplify right side
102,789.05x = 5,037,746,262.80 - Step 5: Solve for x
x = 5,037,746,262.80/102,789.05 - Step 6: Final answer
x = 49,010.53
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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.