Finding the Fourth Proportional to 409,523.20, 565,135.36 and 230,676.48
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Solution
The fourth proportional to 409,523.20, 565,135.36 and 230,676.48 is: 318,329.79
Step by Step Solution
- Step 1: Write the proportion equation
409,523.20 : 565,135.36 = 230,676.48 : x - Step 2: Convert to fraction form
409,523.20/565,135.36 = 230,676.48/x - Step 3: Cross multiply
409,523.20x = 565,135.36 × 230,676.48 - Step 4: Simplify right side
409,523.20x = 130,363,435,568.33 - Step 5: Solve for x
x = 130,363,435,568.33/409,523.20 - Step 6: Final answer
x = 318,329.79
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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.