Finding the Fourth Proportional to 516,725.28, 775,442.16 and 201,183.84
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Solution
The fourth proportional to 516,725.28, 775,442.16 and 201,183.84 is: 301,913.68
Step by Step Solution
- Step 1: Write the proportion equation
516,725.28 : 775,442.16 = 201,183.84 : x - Step 2: Convert to fraction form
516,725.28/775,442.16 = 201,183.84/x - Step 3: Cross multiply
516,725.28x = 775,442.16 × 201,183.84 - Step 4: Simplify right side
516,725.28x = 156,006,431,446.69 - Step 5: Solve for x
x = 156,006,431,446.69/516,725.28 - Step 6: Final answer
x = 301,913.68
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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.