Finding the Fourth Proportional to 181,321.44, 250,119.36 and 113,220.18
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Solution
The fourth proportional to 181,321.44, 250,119.36 and 113,220.18 is: 156,178.77
Step by Step Solution
- Step 1: Write the proportion equation
181,321.44 : 250,119.36 = 113,220.18 : x - Step 2: Convert to fraction form
181,321.44/250,119.36 = 113,220.18/x - Step 3: Cross multiply
181,321.44x = 250,119.36 × 113,220.18 - Step 4: Simplify right side
181,321.44x = 28,318,558,960.68 - Step 5: Solve for x
x = 28,318,558,960.68/181,321.44 - Step 6: Final answer
x = 156,178.77
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1.5x scale
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.