Finding the Fourth Proportional to 228,072.21, 342,164.10 and 160,735.62
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Solution
The fourth proportional to 228,072.21, 342,164.10 and 160,735.62 is: 241,142.74
Step by Step Solution
- Step 1: Write the proportion equation
228,072.21 : 342,164.10 = 160,735.62 : x - Step 2: Convert to fraction form
228,072.21/342,164.10 = 160,735.62/x - Step 3: Cross multiply
228,072.21x = 342,164.10 × 160,735.62 - Step 4: Simplify right side
228,072.21x = 54,997,958,755.24 - Step 5: Solve for x
x = 54,997,958,755.24/228,072.21 - Step 6: Final answer
x = 241,142.74
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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.