Finding the Fourth Proportional to 108,407.28, 162,635.62 and 58,486.44
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Solution
The fourth proportional to 108,407.28, 162,635.62 and 58,486.44 is: 87,742.99
Step by Step Solution
- Step 1: Write the proportion equation
108,407.28 : 162,635.62 = 58,486.44 : x - Step 2: Convert to fraction form
108,407.28/162,635.62 = 58,486.44/x - Step 3: Cross multiply
108,407.28x = 162,635.62 × 58,486.44 - Step 4: Simplify right side
108,407.28x = 9,511,978,430.99 - Step 5: Solve for x
x = 9,511,978,430.99/108,407.28 - Step 6: Final answer
x = 87,742.99
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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.