Finding the Fourth Proportional to 80,230.80, 110,716.92 and 44,419.98
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Solution
The fourth proportional to 80,230.80, 110,716.92 and 44,419.98 is: 61,298.70
Step by Step Solution
- Step 1: Write the proportion equation
80,230.80 : 110,716.92 = 44,419.98 : x - Step 2: Convert to fraction form
80,230.80/110,716.92 = 44,419.98/x - Step 3: Cross multiply
80,230.80x = 110,716.92 × 44,419.98 - Step 4: Simplify right side
80,230.80x = 4,918,043,372.06 - Step 5: Solve for x
x = 4,918,043,372.06/80,230.80 - Step 6: Final answer
x = 61,298.70
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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.