Finding the Fourth Proportional to 150,519.26, 207,714.70 and 86,855.70
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Solution
The fourth proportional to 150,519.26, 207,714.70 and 86,855.70 is: 119,859.78
Step by Step Solution
- Step 1: Write the proportion equation
150,519.26 : 207,714.70 = 86,855.70 : x - Step 2: Convert to fraction form
150,519.26/207,714.70 = 86,855.70/x - Step 3: Cross multiply
150,519.26x = 207,714.70 × 86,855.70 - Step 4: Simplify right side
150,519.26x = 18,041,205,668.79 - Step 5: Solve for x
x = 18,041,205,668.79/150,519.26 - Step 6: Final answer
x = 119,859.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.