Finding the Fourth Proportional to 629,721.75, 944,722.95 and 230,353.68
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Solution
The fourth proportional to 629,721.75, 944,722.95 and 230,353.68 is: 345,581.85
Step by Step Solution
- Step 1: Write the proportion equation
629,721.75 : 944,722.95 = 230,353.68 : x - Step 2: Convert to fraction form
629,721.75/944,722.95 = 230,353.68/x - Step 3: Cross multiply
629,721.75x = 944,722.95 × 230,353.68 - Step 4: Simplify right side
629,721.75x = 217,620,408,112.96 - Step 5: Solve for x
x = 217,620,408,112.96/629,721.75 - Step 6: Final answer
x = 345,581.85
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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.