Finding the Fourth Proportional to 438,906.94, 605,740.88 and 247,932.63
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Solution
The fourth proportional to 438,906.94, 605,740.88 and 247,932.63 is: 342,174.88
Step by Step Solution
- Step 1: Write the proportion equation
438,906.94 : 605,740.88 = 247,932.63 : x - Step 2: Convert to fraction form
438,906.94/605,740.88 = 247,932.63/x - Step 3: Cross multiply
438,906.94x = 605,740.88 × 247,932.63 - Step 4: Simplify right side
438,906.94x = 150,182,930,096.75 - Step 5: Solve for x
x = 150,182,930,096.75/438,906.94 - Step 6: Final answer
x = 342,174.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.