Finding the Fourth Proportional to 264,349.20, 395,867.70 and 211,861.20
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Solution
The fourth proportional to 264,349.20, 395,867.70 and 211,861.20 is: 317,265.97
Step by Step Solution
- Step 1: Write the proportion equation
264,349.20 : 395,867.70 = 211,861.20 : x - Step 2: Convert to fraction form
264,349.20/395,867.70 = 211,861.20/x - Step 3: Cross multiply
264,349.20x = 395,867.70 × 211,861.20 - Step 4: Simplify right side
264,349.20x = 83,869,005,963.24 - Step 5: Solve for x
x = 83,869,005,963.24/264,349.20 - Step 6: Final answer
x = 317,265.97
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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.