Finding the Fourth Proportional to 80,116.18, 120,177.06 and 27,525.28
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Solution
The fourth proportional to 80,116.18, 120,177.06 and 27,525.28 is: 41,288.88
Step by Step Solution
- Step 1: Write the proportion equation
80,116.18 : 120,177.06 = 27,525.28 : x - Step 2: Convert to fraction form
80,116.18/120,177.06 = 27,525.28/x - Step 3: Cross multiply
80,116.18x = 120,177.06 × 27,525.28 - Step 4: Simplify right side
80,116.18x = 3,307,907,226.08 - Step 5: Solve for x
x = 3,307,907,226.08/80,116.18 - Step 6: Final answer
x = 41,288.88
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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.