Finding the Fourth Proportional to 121,299.20, 182,000.96 and 46,441.92
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Solution
The fourth proportional to 121,299.20, 182,000.96 and 46,441.92 is: 69,682.85
Step by Step Solution
- Step 1: Write the proportion equation
121,299.20 : 182,000.96 = 46,441.92 : x - Step 2: Convert to fraction form
121,299.20/182,000.96 = 46,441.92/x - Step 3: Cross multiply
121,299.20x = 182,000.96 × 46,441.92 - Step 4: Simplify right side
121,299.20x = 8,452,474,024.24 - Step 5: Solve for x
x = 8,452,474,024.24/121,299.20 - Step 6: Final answer
x = 69,682.85
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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.