Finding the Fourth Proportional to 299,871.09, 449,352.81 and 131,297.13
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Solution
The fourth proportional to 299,871.09, 449,352.81 and 131,297.13 is: 196,746.99
Step by Step Solution
- Step 1: Write the proportion equation
299,871.09 : 449,352.81 = 131,297.13 : x - Step 2: Convert to fraction form
299,871.09/449,352.81 = 131,297.13/x - Step 3: Cross multiply
299,871.09x = 449,352.81 × 131,297.13 - Step 4: Simplify right side
299,871.09x = 58,998,734,310.44 - Step 5: Solve for x
x = 58,998,734,310.44/299,871.09 - Step 6: Final answer
x = 196,746.99
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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.