Finding the Fourth Proportional to 579,043.26, 868,680.90 and 199,977.84
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Solution
The fourth proportional to 579,043.26, 868,680.90 and 199,977.84 is: 300,006.83
Step by Step Solution
- Step 1: Write the proportion equation
579,043.26 : 868,680.90 = 199,977.84 : x - Step 2: Convert to fraction form
579,043.26/868,680.90 = 199,977.84/x - Step 3: Cross multiply
579,043.26x = 868,680.90 × 199,977.84 - Step 4: Simplify right side
579,043.26x = 173,716,930,031.26 - Step 5: Solve for x
x = 173,716,930,031.26/579,043.26 - Step 6: Final answer
x = 300,006.83
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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.