Finding the Fourth Proportional to 107,697.87, 161,546.76 and 28,810.05
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Solution
The fourth proportional to 107,697.87, 161,546.76 and 28,810.05 is: 43,215.06
Step by Step Solution
- Step 1: Write the proportion equation
107,697.87 : 161,546.76 = 28,810.05 : x - Step 2: Convert to fraction form
107,697.87/161,546.76 = 28,810.05/x - Step 3: Cross multiply
107,697.87x = 161,546.76 × 28,810.05 - Step 4: Simplify right side
107,697.87x = 4,654,170,232.94 - Step 5: Solve for x
x = 4,654,170,232.94/107,697.87 - Step 6: Final answer
x = 43,215.06
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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.