Finding the Fourth Proportional to 405,808.37, 608,711.97 and 162,759.08
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Solution
The fourth proportional to 405,808.37, 608,711.97 and 162,759.08 is: 244,138.39
Step by Step Solution
- Step 1: Write the proportion equation
405,808.37 : 608,711.97 = 162,759.08 : x - Step 2: Convert to fraction form
405,808.37/608,711.97 = 162,759.08/x - Step 3: Cross multiply
405,808.37x = 608,711.97 × 162,759.08 - Step 4: Simplify right side
405,808.37x = 99,073,400,222.19 - Step 5: Solve for x
x = 99,073,400,222.19/405,808.37 - Step 6: Final answer
x = 244,138.39
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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.