Finding the Fourth Proportional to 677,481.05, 1,016,221.97 and 172,079.93
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Solution
The fourth proportional to 677,481.05, 1,016,221.97 and 172,079.93 is: 258,119.99
Step by Step Solution
- Step 1: Write the proportion equation
677,481.05 : 1,016,221.97 = 172,079.93 : x - Step 2: Convert to fraction form
677,481.05/1,016,221.97 = 172,079.93/x - Step 3: Cross multiply
677,481.05x = 1,016,221.97 × 172,079.93 - Step 4: Simplify right side
677,481.05x = 174,871,399,520.55 - Step 5: Solve for x
x = 174,871,399,520.55/677,481.05 - Step 6: Final answer
x = 258,119.99
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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.