Finding the Fourth Proportional to 415,088.40, 622,234.08 and 264,904.68
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Solution
The fourth proportional to 415,088.40, 622,234.08 and 264,904.68 is: 397,102.69
Step by Step Solution
- Step 1: Write the proportion equation
415,088.40 : 622,234.08 = 264,904.68 : x - Step 2: Convert to fraction form
415,088.40/622,234.08 = 264,904.68/x - Step 3: Cross multiply
415,088.40x = 622,234.08 × 264,904.68 - Step 4: Simplify right side
415,088.40x = 164,832,719,847.49 - Step 5: Solve for x
x = 164,832,719,847.49/415,088.40 - Step 6: Final answer
x = 397,102.69
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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.