Finding the Fourth Proportional to 211,216.28, 316,821.68 and 51,293.53
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Solution
The fourth proportional to 211,216.28, 316,821.68 and 51,293.53 is: 76,939.62
Step by Step Solution
- Step 1: Write the proportion equation
211,216.28 : 316,821.68 = 51,293.53 : x - Step 2: Convert to fraction form
211,216.28/316,821.68 = 51,293.53/x - Step 3: Cross multiply
211,216.28x = 316,821.68 × 51,293.53 - Step 4: Simplify right side
211,216.28x = 16,250,900,763.62 - Step 5: Solve for x
x = 16,250,900,763.62/211,216.28 - Step 6: Final answer
x = 76,939.62
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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.