Finding the Fourth Proportional to 414,039.26, 621,190.18 and 147,793.88
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Solution
The fourth proportional to 414,039.26, 621,190.18 and 147,793.88 is: 221,737.68
Step by Step Solution
- Step 1: Write the proportion equation
414,039.26 : 621,190.18 = 147,793.88 : x - Step 2: Convert to fraction form
414,039.26/621,190.18 = 147,793.88/x - Step 3: Cross multiply
414,039.26x = 621,190.18 × 147,793.88 - Step 4: Simplify right side
414,039.26x = 91,808,106,920.10 - Step 5: Solve for x
x = 91,808,106,920.10/414,039.26 - Step 6: Final answer
x = 221,737.68
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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.