Finding the Fourth Proportional to 214,772.91, 321,668.70 and 102,532.02
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Solution
The fourth proportional to 214,772.91, 321,668.70 and 102,532.02 is: 153,563.79
Step by Step Solution
- Step 1: Write the proportion equation
214,772.91 : 321,668.70 = 102,532.02 : x - Step 2: Convert to fraction form
214,772.91/321,668.70 = 102,532.02/x - Step 3: Cross multiply
214,772.91x = 321,668.70 × 102,532.02 - Step 4: Simplify right side
214,772.91x = 32,981,341,581.77 - Step 5: Solve for x
x = 32,981,341,581.77/214,772.91 - Step 6: Final answer
x = 153,563.79
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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.