Finding the Fourth Proportional to 415,142.00, 622,713.60 and 115,623.44
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Solution
The fourth proportional to 415,142.00, 622,713.60 and 115,623.44 is: 173,435.32
Step by Step Solution
- Step 1: Write the proportion equation
415,142.00 : 622,713.60 = 115,623.44 : x - Step 2: Convert to fraction form
415,142.00/622,713.60 = 115,623.44/x - Step 3: Cross multiply
415,142.00x = 622,713.60 × 115,623.44 - Step 4: Simplify right side
415,142.00x = 72,000,285,453.22 - Step 5: Solve for x
x = 72,000,285,453.22/415,142.00 - Step 6: Final answer
x = 173,435.32
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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.