Finding the Fourth Proportional to 458,956.14, 687,850.07 and 259,387.80
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Solution
The fourth proportional to 458,956.14, 687,850.07 and 259,387.80 is: 388,751.56
Step by Step Solution
- Step 1: Write the proportion equation
458,956.14 : 687,850.07 = 259,387.80 : x - Step 2: Convert to fraction form
458,956.14/687,850.07 = 259,387.80/x - Step 3: Cross multiply
458,956.14x = 687,850.07 × 259,387.80 - Step 4: Simplify right side
458,956.14x = 178,419,915,090.21 - Step 5: Solve for x
x = 178,419,915,090.21/458,956.14 - Step 6: Final answer
x = 388,751.56
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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.