Finding the Fourth Proportional to 424,138.91, 585,301.41 and 230,542.02
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Solution
The fourth proportional to 424,138.91, 585,301.41 and 230,542.02 is: 318,142.40
Step by Step Solution
- Step 1: Write the proportion equation
424,138.91 : 585,301.41 = 230,542.02 : x - Step 2: Convert to fraction form
424,138.91/585,301.41 = 230,542.02/x - Step 3: Cross multiply
424,138.91x = 585,301.41 × 230,542.02 - Step 4: Simplify right side
424,138.91x = 134,936,569,370.25 - Step 5: Solve for x
x = 134,936,569,370.25/424,138.91 - Step 6: Final answer
x = 318,142.40
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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.