Finding the Fourth Proportional to 415,024.20, 622,536.30 and 204,634.80
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Solution
The fourth proportional to 415,024.20, 622,536.30 and 204,634.80 is: 306,952.20
Step by Step Solution
- Step 1: Write the proportion equation
415,024.20 : 622,536.30 = 204,634.80 : x - Step 2: Convert to fraction form
415,024.20/622,536.30 = 204,634.80/x - Step 3: Cross multiply
415,024.20x = 622,536.30 × 204,634.80 - Step 4: Simplify right side
415,024.20x = 127,392,591,243.24 - Step 5: Solve for x
x = 127,392,591,243.24/415,024.20 - Step 6: Final answer
x = 306,952.20
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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.