Finding the Fourth Proportional to 300,300.05, 414,414.10 and 164,333.99
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Solution
The fourth proportional to 300,300.05, 414,414.10 and 164,333.99 is: 226,780.92
Step by Step Solution
- Step 1: Write the proportion equation
300,300.05 : 414,414.10 = 164,333.99 : x - Step 2: Convert to fraction form
300,300.05/414,414.10 = 164,333.99/x - Step 3: Cross multiply
300,300.05x = 414,414.10 × 164,333.99 - Step 4: Simplify right side
300,300.05x = 68,102,322,565.26 - Step 5: Solve for x
x = 68,102,322,565.26/300,300.05 - Step 6: Final answer
x = 226,780.92
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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.