Finding the Fourth Proportional to 264,367.80, 396,551.70 and 211,879.80
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Solution
The fourth proportional to 264,367.80, 396,551.70 and 211,879.80 is: 317,819.70
Step by Step Solution
- Step 1: Write the proportion equation
264,367.80 : 396,551.70 = 211,879.80 : x - Step 2: Convert to fraction form
264,367.80/396,551.70 = 211,879.80/x - Step 3: Cross multiply
264,367.80x = 396,551.70 × 211,879.80 - Step 4: Simplify right side
264,367.80x = 84,021,294,885.66 - Step 5: Solve for x
x = 84,021,294,885.66/264,367.80 - Step 6: Final answer
x = 317,819.70
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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.