Finding the Fourth Proportional to 299,373.75, 449,079.26 and 99,711.99
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Solution
The fourth proportional to 299,373.75, 449,079.26 and 99,711.99 is: 149,574.19
Step by Step Solution
- Step 1: Write the proportion equation
299,373.75 : 449,079.26 = 99,711.99 : x - Step 2: Convert to fraction form
299,373.75/449,079.26 = 99,711.99/x - Step 3: Cross multiply
299,373.75x = 449,079.26 × 99,711.99 - Step 4: Simplify right side
299,373.75x = 44,778,586,183.77 - Step 5: Solve for x
x = 44,778,586,183.77/299,373.75 - Step 6: Final answer
x = 149,574.19
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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.