Finding the Fourth Proportional to 160,218.30, 240,343.74 and 55,023.60
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Solution
The fourth proportional to 160,218.30, 240,343.74 and 55,023.60 is: 82,540.99
Step by Step Solution
- Step 1: Write the proportion equation
160,218.30 : 240,343.74 = 55,023.60 : x - Step 2: Convert to fraction form
160,218.30/240,343.74 = 55,023.60/x - Step 3: Cross multiply
160,218.30x = 240,343.74 × 55,023.60 - Step 4: Simplify right side
160,218.30x = 13,224,577,812.26 - Step 5: Solve for x
x = 13,224,577,812.26/160,218.30 - Step 6: Final answer
x = 82,540.99
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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.