Finding the Fourth Proportional to 151,939.80, 227,909.70 and 73,207.80
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Solution
The fourth proportional to 151,939.80, 227,909.70 and 73,207.80 is: 109,811.70
Step by Step Solution
- Step 1: Write the proportion equation
151,939.80 : 227,909.70 = 73,207.80 : x - Step 2: Convert to fraction form
151,939.80/227,909.70 = 73,207.80/x - Step 3: Cross multiply
151,939.80x = 227,909.70 × 73,207.80 - Step 4: Simplify right side
151,939.80x = 16,684,767,735.66 - Step 5: Solve for x
x = 16,684,767,735.66/151,939.80 - Step 6: Final answer
x = 109,811.70
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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.