Finding the Fourth Proportional to 269,943.62, 372,524.98 and 149,087.92
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Solution
The fourth proportional to 269,943.62, 372,524.98 and 149,087.92 is: 205,742.87
Step by Step Solution
- Step 1: Write the proportion equation
269,943.62 : 372,524.98 = 149,087.92 : x - Step 2: Convert to fraction form
269,943.62/372,524.98 = 149,087.92/x - Step 3: Cross multiply
269,943.62x = 372,524.98 × 149,087.92 - Step 4: Simplify right side
269,943.62x = 55,538,974,416.24 - Step 5: Solve for x
x = 55,538,974,416.24/269,943.62 - Step 6: Final answer
x = 205,742.87
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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.