Finding the Fourth Proportional to 311,063.14, 429,276.81 and 176,935.78
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Solution
The fourth proportional to 311,063.14, 429,276.81 and 176,935.78 is: 244,176.88
Step by Step Solution
- Step 1: Write the proportion equation
311,063.14 : 429,276.81 = 176,935.78 : x - Step 2: Convert to fraction form
311,063.14/429,276.81 = 176,935.78/x - Step 3: Cross multiply
311,063.14x = 429,276.81 × 176,935.78 - Step 4: Simplify right side
311,063.14x = 75,954,427,213.26 - Step 5: Solve for x
x = 75,954,427,213.26/311,063.14 - Step 6: Final answer
x = 244,176.88
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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.