Finding the Fourth Proportional to 269,614.37, 372,079.70 and 154,928.99
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Solution
The fourth proportional to 269,614.37, 372,079.70 and 154,928.99 is: 213,808.83
Step by Step Solution
- Step 1: Write the proportion equation
269,614.37 : 372,079.70 = 154,928.99 : x - Step 2: Convert to fraction form
269,614.37/372,079.70 = 154,928.99/x - Step 3: Cross multiply
269,614.37x = 372,079.70 × 154,928.99 - Step 4: Simplify right side
269,614.37x = 57,645,932,120.50 - Step 5: Solve for x
x = 57,645,932,120.50/269,614.37 - Step 6: Final answer
x = 213,808.83
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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.