Finding the Fourth Proportional to 167,949.20, 251,774.76 and 68,183.12
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Solution
The fourth proportional to 167,949.20, 251,774.76 and 68,183.12 is: 102,214.17
Step by Step Solution
- Step 1: Write the proportion equation
167,949.20 : 251,774.76 = 68,183.12 : x - Step 2: Convert to fraction form
167,949.20/251,774.76 = 68,183.12/x - Step 3: Cross multiply
167,949.20x = 251,774.76 × 68,183.12 - Step 4: Simplify right side
167,949.20x = 17,166,788,674.05 - Step 5: Solve for x
x = 17,166,788,674.05/167,949.20 - Step 6: Final answer
x = 102,214.17
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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.