Finding the Fourth Proportional to 299,239.26, 449,024.13 and 121,871.13
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Solution
The fourth proportional to 299,239.26, 449,024.13 and 121,871.13 is: 182,873.99
Step by Step Solution
- Step 1: Write the proportion equation
299,239.26 : 449,024.13 = 121,871.13 : x - Step 2: Convert to fraction form
299,239.26/449,024.13 = 121,871.13/x - Step 3: Cross multiply
299,239.26x = 449,024.13 × 121,871.13 - Step 4: Simplify right side
299,239.26x = 54,723,078,120.37 - Step 5: Solve for x
x = 54,723,078,120.37/299,239.26 - Step 6: Final answer
x = 182,873.99
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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.