Finding the Fourth Proportional to 415,090.24, 622,635.80 and 115,571.44
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Solution
The fourth proportional to 415,090.24, 622,635.80 and 115,571.44 is: 173,357.28
Step by Step Solution
- Step 1: Write the proportion equation
415,090.24 : 622,635.80 = 115,571.44 : x - Step 2: Convert to fraction form
415,090.24/622,635.80 = 115,571.44/x - Step 3: Cross multiply
415,090.24x = 622,635.80 × 115,571.44 - Step 4: Simplify right side
415,090.24x = 71,958,916,001.55 - Step 5: Solve for x
x = 71,958,916,001.55/415,090.24 - Step 6: Final answer
x = 173,357.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.