Finding the Fourth Proportional to 312,197.48, 430,844.84 and 176,236.28
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Solution
The fourth proportional to 312,197.48, 430,844.84 and 176,236.28 is: 243,213.02
Step by Step Solution
- Step 1: Write the proportion equation
312,197.48 : 430,844.84 = 176,236.28 : x - Step 2: Convert to fraction form
312,197.48/430,844.84 = 176,236.28/x - Step 3: Cross multiply
312,197.48x = 430,844.84 × 176,236.28 - Step 4: Simplify right side
312,197.48x = 75,930,491,858.80 - Step 5: Solve for x
x = 75,930,491,858.80/312,197.48 - Step 6: Final answer
x = 243,213.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.