Finding the Fourth Proportional to 438,793.97, 605,532.42 and 237,589.97
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Solution
The fourth proportional to 438,793.97, 605,532.42 and 237,589.97 is: 327,872.39
Step by Step Solution
- Step 1: Write the proportion equation
438,793.97 : 605,532.42 = 237,589.97 : x - Step 2: Convert to fraction form
438,793.97/605,532.42 = 237,589.97/x - Step 3: Cross multiply
438,793.97x = 605,532.42 × 237,589.97 - Step 4: Simplify right side
438,793.97x = 143,868,426,474.17 - Step 5: Solve for x
x = 143,868,426,474.17/438,793.97 - Step 6: Final answer
x = 327,872.39
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1.5x scale
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.