Finding the Fourth Proportional to 442,207.87, 663,568.94 and 186,021.66
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Solution
The fourth proportional to 442,207.87, 663,568.94 and 186,021.66 is: 279,140.66
Step by Step Solution
- Step 1: Write the proportion equation
442,207.87 : 663,568.94 = 186,021.66 : x - Step 2: Convert to fraction form
442,207.87/663,568.94 = 186,021.66/x - Step 3: Cross multiply
442,207.87x = 663,568.94 × 186,021.66 - Step 4: Simplify right side
442,207.87x = 123,438,195,611.36 - Step 5: Solve for x
x = 123,438,195,611.36/442,207.87 - Step 6: Final answer
x = 279,140.66
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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.