Finding the Fourth Proportional to 407,450.97, 611,285.16 and 141,211.26
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Solution
The fourth proportional to 407,450.97, 611,285.16 and 141,211.26 is: 211,854.56
Step by Step Solution
- Step 1: Write the proportion equation
407,450.97 : 611,285.16 = 141,211.26 : x - Step 2: Convert to fraction form
407,450.97/611,285.16 = 141,211.26/x - Step 3: Cross multiply
407,450.97x = 611,285.16 × 141,211.26 - Step 4: Simplify right side
407,450.97x = 86,320,347,662.90 - Step 5: Solve for x
x = 86,320,347,662.90/407,450.97 - Step 6: Final answer
x = 211,854.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.