Finding the Fourth Proportional to 512,224.92, 768,483.18 and 175,310.28
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Solution
The fourth proportional to 512,224.92, 768,483.18 and 175,310.28 is: 263,015.32
Step by Step Solution
- Step 1: Write the proportion equation
512,224.92 : 768,483.18 = 175,310.28 : x - Step 2: Convert to fraction form
512,224.92/768,483.18 = 175,310.28/x - Step 3: Cross multiply
512,224.92x = 768,483.18 × 175,310.28 - Step 4: Simplify right side
512,224.92x = 134,723,001,461.09 - Step 5: Solve for x
x = 134,723,001,461.09/512,224.92 - Step 6: Final answer
x = 263,015.32
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1.5x scale
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.