Finding the Fourth Proportional to 202,922.99, 280,146.35 and 122,370.92
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Solution
The fourth proportional to 202,922.99, 280,146.35 and 122,370.92 is: 168,939.78
Step by Step Solution
- Step 1: Write the proportion equation
202,922.99 : 280,146.35 = 122,370.92 : x - Step 2: Convert to fraction form
202,922.99/280,146.35 = 122,370.92/x - Step 3: Cross multiply
202,922.99x = 280,146.35 × 122,370.92 - Step 4: Simplify right side
202,922.99x = 34,281,765,972.29 - Step 5: Solve for x
x = 34,281,765,972.29/202,922.99 - Step 6: Final answer
x = 168,939.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.