Finding the Fourth Proportional to 414,863.12, 622,354.72 and 178,203.84
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Solution
The fourth proportional to 414,863.12, 622,354.72 and 178,203.84 is: 267,331.55
Step by Step Solution
- Step 1: Write the proportion equation
414,863.12 : 622,354.72 = 178,203.84 : x - Step 2: Convert to fraction form
414,863.12/622,354.72 = 178,203.84/x - Step 3: Cross multiply
414,863.12x = 622,354.72 × 178,203.84 - Step 4: Simplify right side
414,863.12x = 110,906,000,946.13 - Step 5: Solve for x
x = 110,906,000,946.13/414,863.12 - Step 6: Final answer
x = 267,331.55
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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.