Finding the Fourth Proportional to 202,922.49, 280,145.66 and 122,370.42
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Solution
The fourth proportional to 202,922.49, 280,145.66 and 122,370.42 is: 168,939.09
Step by Step Solution
- Step 1: Write the proportion equation
202,922.49 : 280,145.66 = 122,370.42 : x - Step 2: Convert to fraction form
202,922.49/280,145.66 = 122,370.42/x - Step 3: Cross multiply
202,922.49x = 280,145.66 × 122,370.42 - Step 4: Simplify right side
202,922.49x = 34,281,541,463.53 - Step 5: Solve for x
x = 34,281,541,463.53/202,922.49 - Step 6: Final answer
x = 168,939.09
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1.5x scale
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.