Finding the Fourth Proportional to 80,276.08, 120,409.26 and 24,872.08
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Solution
The fourth proportional to 80,276.08, 120,409.26 and 24,872.08 is: 37,306.61
Step by Step Solution
- Step 1: Write the proportion equation
80,276.08 : 120,409.26 = 24,872.08 : x - Step 2: Convert to fraction form
80,276.08/120,409.26 = 24,872.08/x - Step 3: Cross multiply
80,276.08x = 120,409.26 × 24,872.08 - Step 4: Simplify right side
80,276.08x = 2,994,828,747.46 - Step 5: Solve for x
x = 2,994,828,747.46/80,276.08 - Step 6: Final answer
x = 37,306.61
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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.