Finding the Fourth Proportional to 311,708.56, 430,314.24 and 204,442.96
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Solution
The fourth proportional to 311,708.56, 430,314.24 and 204,442.96 is: 282,233.88
Step by Step Solution
- Step 1: Write the proportion equation
311,708.56 : 430,314.24 = 204,442.96 : x - Step 2: Convert to fraction form
311,708.56/430,314.24 = 204,442.96/x - Step 3: Cross multiply
311,708.56x = 430,314.24 × 204,442.96 - Step 4: Simplify right side
311,708.56x = 87,974,716,955.75 - Step 5: Solve for x
x = 87,974,716,955.75/311,708.56 - Step 6: Final answer
x = 282,233.88
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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.