Finding the Fourth Proportional to 102,755, 154,132.50 and 28,883
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Solution
The fourth proportional to 102,755, 154,132.50 and 28,883 is: 43,324.50
Step by Step Solution
- Step 1: Write the proportion equation
102,755 : 154,132.50 = 28,883 : x - Step 2: Convert to fraction form
102,755/154,132.50 = 28,883/x - Step 3: Cross multiply
102,755x = 154,132.50 × 28,883 - Step 4: Simplify right side
102,755x = 4,451,808,997.50 - Step 5: Solve for x
x = 4,451,808,997.50/102,755 - Step 6: Final answer
x = 43,324.50
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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.