Finding the Fourth Proportional to 207,997.28, 312,048 and 119,350.88
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Solution
The fourth proportional to 207,997.28, 312,048 and 119,350.88 is: 179,056.20
Step by Step Solution
- Step 1: Write the proportion equation
207,997.28 : 312,048 = 119,350.88 : x - Step 2: Convert to fraction form
207,997.28/312,048 = 119,350.88/x - Step 3: Cross multiply
207,997.28x = 312,048 × 119,350.88 - Step 4: Simplify right side
207,997.28x = 37,243,203,402.24 - Step 5: Solve for x
x = 37,243,203,402.24/207,997.28 - Step 6: Final answer
x = 179,056.20
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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.