Finding the Fourth Proportional to 424,189.79, 585,375.64 and 230,591.08
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Solution
The fourth proportional to 424,189.79, 585,375.64 and 230,591.08 is: 318,212.28
Step by Step Solution
- Step 1: Write the proportion equation
424,189.79 : 585,375.64 = 230,591.08 : x - Step 2: Convert to fraction form
424,189.79/585,375.64 = 230,591.08/x - Step 3: Cross multiply
424,189.79x = 585,375.64 × 230,591.08 - Step 4: Simplify right side
424,189.79x = 134,982,401,033.29 - Step 5: Solve for x
x = 134,982,401,033.29/424,189.79 - Step 6: Final answer
x = 318,212.28
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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.