Finding the Fourth Proportional to 330,740.18, 496,108.41 and 120,378.12
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Solution
The fourth proportional to 330,740.18, 496,108.41 and 120,378.12 is: 180,566.50
Step by Step Solution
- Step 1: Write the proportion equation
330,740.18 : 496,108.41 = 120,378.12 : x - Step 2: Convert to fraction form
330,740.18/496,108.41 = 120,378.12/x - Step 3: Cross multiply
330,740.18x = 496,108.41 × 120,378.12 - Step 4: Simplify right side
330,740.18x = 59,720,597,711.99 - Step 5: Solve for x
x = 59,720,597,711.99/330,740.18 - Step 6: Final answer
x = 180,566.50
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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.