Finding the Fourth Proportional to 465,163.20, 697,744.80 and 132,739.20
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Solution
The fourth proportional to 465,163.20, 697,744.80 and 132,739.20 is: 199,108.80
Step by Step Solution
- Step 1: Write the proportion equation
465,163.20 : 697,744.80 = 132,739.20 : x - Step 2: Convert to fraction form
465,163.20/697,744.80 = 132,739.20/x - Step 3: Cross multiply
465,163.20x = 697,744.80 × 132,739.20 - Step 4: Simplify right side
465,163.20x = 92,618,086,556.16 - Step 5: Solve for x
x = 92,618,086,556.16/465,163.20 - Step 6: Final answer
x = 199,108.80
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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.