Finding the Fourth Proportional to 395,115.52, 593,062.08 and 289,634.08
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Solution
The fourth proportional to 395,115.52, 593,062.08 and 289,634.08 is: 434,736.12
Step by Step Solution
- Step 1: Write the proportion equation
395,115.52 : 593,062.08 = 289,634.08 : x - Step 2: Convert to fraction form
395,115.52/593,062.08 = 289,634.08/x - Step 3: Cross multiply
395,115.52x = 593,062.08 × 289,634.08 - Step 4: Simplify right side
395,115.52x = 171,770,989,923.69 - Step 5: Solve for x
x = 171,770,989,923.69/395,115.52 - Step 6: Final answer
x = 434,736.12
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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.