Finding the Fourth Proportional to 576,311.88, 864,579.84 and 221,299.80
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Solution
The fourth proportional to 576,311.88, 864,579.84 and 221,299.80 is: 331,992.71
Step by Step Solution
- Step 1: Write the proportion equation
576,311.88 : 864,579.84 = 221,299.80 : x - Step 2: Convert to fraction form
576,311.88/864,579.84 = 221,299.80/x - Step 3: Cross multiply
576,311.88x = 864,579.84 × 221,299.80 - Step 4: Simplify right side
576,311.88x = 191,331,345,676.03 - Step 5: Solve for x
x = 191,331,345,676.03/576,311.88 - Step 6: Final answer
x = 331,992.71
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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.