Finding the Fourth Proportional to 246,310.05, 339,908.26 and 133,132.80
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Solution
The fourth proportional to 246,310.05, 339,908.26 and 133,132.80 is: 183,723.48
Step by Step Solution
- Step 1: Write the proportion equation
246,310.05 : 339,908.26 = 133,132.80 : x - Step 2: Convert to fraction form
246,310.05/339,908.26 = 133,132.80/x - Step 3: Cross multiply
246,310.05x = 339,908.26 × 133,132.80 - Step 4: Simplify right side
246,310.05x = 45,252,938,396.93 - Step 5: Solve for x
x = 45,252,938,396.93/246,310.05 - Step 6: Final answer
x = 183,723.48
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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.