Finding the Fourth Proportional to 107,393.72, 161,028.84 and 44,257.42
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Solution
The fourth proportional to 107,393.72, 161,028.84 and 44,257.42 is: 66,360.69
Step by Step Solution
- Step 1: Write the proportion equation
107,393.72 : 161,028.84 = 44,257.42 : x - Step 2: Convert to fraction form
107,393.72/161,028.84 = 44,257.42/x - Step 3: Cross multiply
107,393.72x = 161,028.84 × 44,257.42 - Step 4: Simplify right side
107,393.72x = 7,126,721,371.24 - Step 5: Solve for x
x = 7,126,721,371.24/107,393.72 - Step 6: Final answer
x = 66,360.69
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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.