Finding the Fourth Proportional to 275,817.44, 380,666.43 and 154,968.08
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Solution
The fourth proportional to 275,817.44, 380,666.43 and 154,968.08 is: 213,877.50
Step by Step Solution
- Step 1: Write the proportion equation
275,817.44 : 380,666.43 = 154,968.08 : x - Step 2: Convert to fraction form
275,817.44/380,666.43 = 154,968.08/x - Step 3: Cross multiply
275,817.44x = 380,666.43 × 154,968.08 - Step 4: Simplify right side
275,817.44x = 58,991,143,874.22 - Step 5: Solve for x
x = 58,991,143,874.22/275,817.44 - Step 6: Final answer
x = 213,877.50
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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.