Finding the Fourth Proportional to 395,469.21, 593,304.93 and 114,986.46
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Solution
The fourth proportional to 395,469.21, 593,304.93 and 114,986.46 is: 172,509.09
Step by Step Solution
- Step 1: Write the proportion equation
395,469.21 : 593,304.93 = 114,986.46 : x - Step 2: Convert to fraction form
395,469.21/593,304.93 = 114,986.46/x - Step 3: Cross multiply
395,469.21x = 593,304.93 × 114,986.46 - Step 4: Simplify right side
395,469.21x = 68,222,033,601.25 - Step 5: Solve for x
x = 68,222,033,601.25/395,469.21 - Step 6: Final answer
x = 172,509.09
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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.