Finding the Fourth Proportional to 269,964.86, 372,599.21 and 155,234.44
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Solution
The fourth proportional to 269,964.86, 372,599.21 and 155,234.44 is: 214,250.95
Step by Step Solution
- Step 1: Write the proportion equation
269,964.86 : 372,599.21 = 155,234.44 : x - Step 2: Convert to fraction form
269,964.86/372,599.21 = 155,234.44/x - Step 3: Cross multiply
269,964.86x = 372,599.21 × 155,234.44 - Step 4: Simplify right side
269,964.86x = 57,840,227,069.62 - Step 5: Solve for x
x = 57,840,227,069.62/269,964.86 - Step 6: Final answer
x = 214,250.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.