Finding the Fourth Proportional to 80,257.96, 110,757.78 and 44,447.08
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Solution
The fourth proportional to 80,257.96, 110,757.78 and 44,447.08 is: 61,337.96
Step by Step Solution
- Step 1: Write the proportion equation
80,257.96 : 110,757.78 = 44,447.08 : x - Step 2: Convert to fraction form
80,257.96/110,757.78 = 44,447.08/x - Step 3: Cross multiply
80,257.96x = 110,757.78 × 44,447.08 - Step 4: Simplify right side
80,257.96x = 4,922,859,908.28 - Step 5: Solve for x
x = 4,922,859,908.28/80,257.96 - Step 6: Final answer
x = 61,337.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.