Finding the Fourth Proportional to 246,115.39, 339,639.23 and 132,938.14
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Solution
The fourth proportional to 246,115.39, 339,639.23 and 132,938.14 is: 183,454.63
Step by Step Solution
- Step 1: Write the proportion equation
246,115.39 : 339,639.23 = 132,938.14 : x - Step 2: Convert to fraction form
246,115.39/339,639.23 = 132,938.14/x - Step 3: Cross multiply
246,115.39x = 339,639.23 × 132,938.14 - Step 4: Simplify right side
246,115.39x = 45,151,007,507.23 - Step 5: Solve for x
x = 45,151,007,507.23/246,115.39 - Step 6: Final answer
x = 183,454.63
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1.5x scale
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.