Finding the Fourth Proportional to 299,105.22, 448,742.62 and 121,739.52
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Solution
The fourth proportional to 299,105.22, 448,742.62 and 121,739.52 is: 182,643.79
Step by Step Solution
- Step 1: Write the proportion equation
299,105.22 : 448,742.62 = 121,739.52 : x - Step 2: Convert to fraction form
299,105.22/448,742.62 = 121,739.52/x - Step 3: Cross multiply
299,105.22x = 448,742.62 × 121,739.52 - Step 4: Simplify right side
299,105.22x = 54,629,711,162.34 - Step 5: Solve for x
x = 54,629,711,162.34/299,105.22 - Step 6: Final answer
x = 182,643.79
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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.