Finding the Fourth Proportional to 415,193.24, 622,615.26 and 145,263.68
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Solution
The fourth proportional to 415,193.24, 622,615.26 and 145,263.68 is: 217,834.43
Step by Step Solution
- Step 1: Write the proportion equation
415,193.24 : 622,615.26 = 145,263.68 : x - Step 2: Convert to fraction form
415,193.24/622,615.26 = 145,263.68/x - Step 3: Cross multiply
415,193.24x = 622,615.26 × 145,263.68 - Step 4: Simplify right side
415,193.24x = 90,443,383,891.76 - Step 5: Solve for x
x = 90,443,383,891.76/415,193.24 - Step 6: Final answer
x = 217,834.43
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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.