Finding the Fourth Proportional to 299,489.20, 449,104.20 and 121,937.20
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Solution
The fourth proportional to 299,489.20, 449,104.20 and 121,937.20 is: 182,853.03
Step by Step Solution
- Step 1: Write the proportion equation
299,489.20 : 449,104.20 = 121,937.20 : x - Step 2: Convert to fraction form
299,489.20/449,104.20 = 121,937.20/x - Step 3: Cross multiply
299,489.20x = 449,104.20 × 121,937.20 - Step 4: Simplify right side
299,489.20x = 54,762,508,656.24 - Step 5: Solve for x
x = 54,762,508,656.24/299,489.20 - Step 6: Final answer
x = 182,853.03
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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.