Finding the Fourth Proportional to 246,319.26, 339,920.36 and 133,142.01
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Solution
The fourth proportional to 246,319.26, 339,920.36 and 133,142.01 is: 183,735.85
Step by Step Solution
- Step 1: Write the proportion equation
246,319.26 : 339,920.36 = 133,142.01 : x - Step 2: Convert to fraction form
246,319.26/339,920.36 = 133,142.01/x - Step 3: Cross multiply
246,319.26x = 339,920.36 × 133,142.01 - Step 4: Simplify right side
246,319.26x = 45,257,679,304.61 - Step 5: Solve for x
x = 45,257,679,304.61/246,319.26 - Step 6: Final answer
x = 183,735.85
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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.