Finding the Fourth Proportional to 181,618.37, 250,627.05 and 99,938.99
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Solution
The fourth proportional to 181,618.37, 250,627.05 and 99,938.99 is: 137,912.33
Step by Step Solution
- Step 1: Write the proportion equation
181,618.37 : 250,627.05 = 99,938.99 : x - Step 2: Convert to fraction form
181,618.37/250,627.05 = 99,938.99/x - Step 3: Cross multiply
181,618.37x = 250,627.05 × 99,938.99 - Step 4: Simplify right side
181,618.37x = 25,047,412,490.85 - Step 5: Solve for x
x = 25,047,412,490.85/181,618.37 - Step 6: Final answer
x = 137,912.33
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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.