Finding the Fourth Proportional to 449,649.36, 673,265.41 and 342,522.99
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Solution
The fourth proportional to 449,649.36, 673,265.41 and 342,522.99 is: 512,863.80
Step by Step Solution
- Step 1: Write the proportion equation
449,649.36 : 673,265.41 = 342,522.99 : x - Step 2: Convert to fraction form
449,649.36/673,265.41 = 342,522.99/x - Step 3: Cross multiply
449,649.36x = 673,265.41 × 342,522.99 - Step 4: Simplify right side
449,649.36x = 230,608,880,440.47 - Step 5: Solve for x
x = 230,608,880,440.47/449,649.36 - Step 6: Final answer
x = 512,863.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.