Finding the Fourth Proportional to 118,351.44, 177,546.96 and 39,489.84
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Solution
The fourth proportional to 118,351.44, 177,546.96 and 39,489.84 is: 59,241.37
Step by Step Solution
- Step 1: Write the proportion equation
118,351.44 : 177,546.96 = 39,489.84 : x - Step 2: Convert to fraction form
118,351.44/177,546.96 = 39,489.84/x - Step 3: Cross multiply
118,351.44x = 177,546.96 × 39,489.84 - Step 4: Simplify right side
118,351.44x = 7,011,301,042.89 - Step 5: Solve for x
x = 7,011,301,042.89/118,351.44 - Step 6: Final answer
x = 59,241.37
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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.