Finding the Fourth Proportional to 332,215.40, 497,729.10 and 202,147.40
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Solution
The fourth proportional to 332,215.40, 497,729.10 and 202,147.40 is: 302,859.66
Step by Step Solution
- Step 1: Write the proportion equation
332,215.40 : 497,729.10 = 202,147.40 : x - Step 2: Convert to fraction form
332,215.40/497,729.10 = 202,147.40/x - Step 3: Cross multiply
332,215.40x = 497,729.10 × 202,147.40 - Step 4: Simplify right side
332,215.40x = 100,614,643,469.34 - Step 5: Solve for x
x = 100,614,643,469.34/332,215.40 - Step 6: Final answer
x = 302,859.66
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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.