Finding the Fourth Proportional to 424,589.99, 585,938.84 and 230,998.80
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Solution
The fourth proportional to 424,589.99, 585,938.84 and 230,998.80 is: 318,780.87
Step by Step Solution
- Step 1: Write the proportion equation
424,589.99 : 585,938.84 = 230,998.80 : x - Step 2: Convert to fraction form
424,589.99/585,938.84 = 230,998.80/x - Step 3: Cross multiply
424,589.99x = 585,938.84 × 230,998.80 - Step 4: Simplify right side
424,589.99x = 135,351,166,659.76 - Step 5: Solve for x
x = 135,351,166,659.76/424,589.99 - Step 6: Final answer
x = 318,780.87
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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.