Finding the Fourth Proportional to 80,134.74, 120,210.12 and 27,537.30
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Solution
The fourth proportional to 80,134.74, 120,210.12 and 27,537.30 is: 41,308.70
Step by Step Solution
- Step 1: Write the proportion equation
80,134.74 : 120,210.12 = 27,537.30 : x - Step 2: Convert to fraction form
80,134.74/120,210.12 = 27,537.30/x - Step 3: Cross multiply
80,134.74x = 120,210.12 × 27,537.30 - Step 4: Simplify right side
80,134.74x = 3,310,262,137.48 - Step 5: Solve for x
x = 3,310,262,137.48/80,134.74 - Step 6: Final answer
x = 41,308.70
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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.