Finding the Fourth Proportional to 80,602.74, 111,231.36 and 44,305.02
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Solution
The fourth proportional to 80,602.74, 111,231.36 and 44,305.02 is: 61,140.70
Step by Step Solution
- Step 1: Write the proportion equation
80,602.74 : 111,231.36 = 44,305.02 : x - Step 2: Convert to fraction form
80,602.74/111,231.36 = 44,305.02/x - Step 3: Cross multiply
80,602.74x = 111,231.36 × 44,305.02 - Step 4: Simplify right side
80,602.74x = 4,928,107,629.43 - Step 5: Solve for x
x = 4,928,107,629.43/80,602.74 - Step 6: Final answer
x = 61,140.70
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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.