Finding the Fourth Proportional to 211,423.92, 317,135.88 and 63,679.92
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Solution
The fourth proportional to 211,423.92, 317,135.88 and 63,679.92 is: 95,519.88
Step by Step Solution
- Step 1: Write the proportion equation
211,423.92 : 317,135.88 = 63,679.92 : x - Step 2: Convert to fraction form
211,423.92/317,135.88 = 63,679.92/x - Step 3: Cross multiply
211,423.92x = 317,135.88 × 63,679.92 - Step 4: Simplify right side
211,423.92x = 20,195,187,467.53 - Step 5: Solve for x
x = 20,195,187,467.53/211,423.92 - Step 6: Final answer
x = 95,519.88
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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.