Finding the Fourth Proportional to 289,207.80, 433,293.30 and 247,735.80
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Solution
The fourth proportional to 289,207.80, 433,293.30 and 247,735.80 is: 371,159.64
Step by Step Solution
- Step 1: Write the proportion equation
289,207.80 : 433,293.30 = 247,735.80 : x - Step 2: Convert to fraction form
289,207.80/433,293.30 = 247,735.80/x - Step 3: Cross multiply
289,207.80x = 433,293.30 × 247,735.80 - Step 4: Simplify right side
289,207.80x = 107,342,262,310.14 - Step 5: Solve for x
x = 107,342,262,310.14/289,207.80 - Step 6: Final answer
x = 371,159.64
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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.