Finding the Fourth Proportional to 165,757.86, 248,527.83 and 80,346.09
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Solution
The fourth proportional to 165,757.86, 248,527.83 and 80,346.09 is: 120,466.32
Step by Step Solution
- Step 1: Write the proportion equation
165,757.86 : 248,527.83 = 80,346.09 : x - Step 2: Convert to fraction form
165,757.86/248,527.83 = 80,346.09/x - Step 3: Cross multiply
165,757.86x = 248,527.83 × 80,346.09 - Step 4: Simplify right side
165,757.86x = 19,968,239,396.68 - Step 5: Solve for x
x = 19,968,239,396.68/165,757.86 - Step 6: Final answer
x = 120,466.32
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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.