Finding the Fourth Proportional to 181,922.70, 272,884.05 and 135,266.70
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Solution
The fourth proportional to 181,922.70, 272,884.05 and 135,266.70 is: 202,900.05
Step by Step Solution
- Step 1: Write the proportion equation
181,922.70 : 272,884.05 = 135,266.70 : x - Step 2: Convert to fraction form
181,922.70/272,884.05 = 135,266.70/x - Step 3: Cross multiply
181,922.70x = 272,884.05 × 135,266.70 - Step 4: Simplify right side
181,922.70x = 36,912,124,926.14 - Step 5: Solve for x
x = 36,912,124,926.14/181,922.70 - Step 6: Final answer
x = 202,900.05
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1.5x scale
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.