Finding the Fourth Proportional to 202,924.99, 280,149.11 and 122,372.92
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Solution
The fourth proportional to 202,924.99, 280,149.11 and 122,372.92 is: 168,942.55
Step by Step Solution
- Step 1: Write the proportion equation
202,924.99 : 280,149.11 = 122,372.92 : x - Step 2: Convert to fraction form
202,924.99/280,149.11 = 122,372.92/x - Step 3: Cross multiply
202,924.99x = 280,149.11 × 122,372.92 - Step 4: Simplify right side
202,924.99x = 34,282,664,626.10 - Step 5: Solve for x
x = 34,282,664,626.10/202,924.99 - Step 6: Final answer
x = 168,942.55
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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.