Finding the Fourth Proportional to 201,676.20, 302,514.30 and 185,929.80
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Solution
The fourth proportional to 201,676.20, 302,514.30 and 185,929.80 is: 278,894.70
Step by Step Solution
- Step 1: Write the proportion equation
201,676.20 : 302,514.30 = 185,929.80 : x - Step 2: Convert to fraction form
201,676.20/302,514.30 = 185,929.80/x - Step 3: Cross multiply
201,676.20x = 302,514.30 × 185,929.80 - Step 4: Simplify right side
201,676.20x = 56,246,423,296.14 - Step 5: Solve for x
x = 56,246,423,296.14/201,676.20 - Step 6: Final answer
x = 278,894.70
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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.