Finding the Fourth Proportional to 311,720.44, 430,165.56 and 175,753.18
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Solution
The fourth proportional to 311,720.44, 430,165.56 and 175,753.18 is: 242,534.51
Step by Step Solution
- Step 1: Write the proportion equation
311,720.44 : 430,165.56 = 175,753.18 : x - Step 2: Convert to fraction form
311,720.44/430,165.56 = 175,753.18/x - Step 3: Cross multiply
311,720.44x = 430,165.56 × 175,753.18 - Step 4: Simplify right side
311,720.44x = 75,602,965,096.48 - Step 5: Solve for x
x = 75,602,965,096.48/311,720.44 - Step 6: Final answer
x = 242,534.51
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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.