Finding the Fourth Proportional to 228,158.17, 341,389.79 and 143,523.09
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Solution
The fourth proportional to 228,158.17, 341,389.79 and 143,523.09 is: 214,751.54
Step by Step Solution
- Step 1: Write the proportion equation
228,158.17 : 341,389.79 = 143,523.09 : x - Step 2: Convert to fraction form
228,158.17/341,389.79 = 143,523.09/x - Step 3: Cross multiply
228,158.17x = 341,389.79 × 143,523.09 - Step 4: Simplify right side
228,158.17x = 48,997,317,375.85 - Step 5: Solve for x
x = 48,997,317,375.85/228,158.17 - Step 6: Final answer
x = 214,751.54
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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.