Finding the Fourth Proportional to 414,634.91, 622,236.41 and 144,763.08
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Solution
The fourth proportional to 414,634.91, 622,236.41 and 144,763.08 is: 217,243.79
Step by Step Solution
- Step 1: Write the proportion equation
414,634.91 : 622,236.41 = 144,763.08 : x - Step 2: Convert to fraction form
414,634.91/622,236.41 = 144,763.08/x - Step 3: Cross multiply
414,634.91x = 622,236.41 × 144,763.08 - Step 4: Simplify right side
414,634.91x = 90,076,859,199.74 - Step 5: Solve for x
x = 90,076,859,199.74/414,634.91 - Step 6: Final answer
x = 217,243.79
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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.