Finding the Fourth Proportional to 494,884.24, 742,178.25 and 258,097.75
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Solution
The fourth proportional to 494,884.24, 742,178.25 and 258,097.75 is: 387,069.38
Step by Step Solution
- Step 1: Write the proportion equation
494,884.24 : 742,178.25 = 258,097.75 : x - Step 2: Convert to fraction form
494,884.24/742,178.25 = 258,097.75/x - Step 3: Cross multiply
494,884.24x = 742,178.25 × 258,097.75 - Step 4: Simplify right side
494,884.24x = 191,554,534,568.49 - Step 5: Solve for x
x = 191,554,534,568.49/494,884.24 - Step 6: Final answer
x = 387,069.38
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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.