Finding the Fourth Proportional to 80,190.58, 120,251.96 and 24,038.68
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Solution
The fourth proportional to 80,190.58, 120,251.96 and 24,038.68 is: 36,047.85
Step by Step Solution
- Step 1: Write the proportion equation
80,190.58 : 120,251.96 = 24,038.68 : x - Step 2: Convert to fraction form
80,190.58/120,251.96 = 24,038.68/x - Step 3: Cross multiply
80,190.58x = 120,251.96 × 24,038.68 - Step 4: Simplify right side
80,190.58x = 2,890,698,385.81 - Step 5: Solve for x
x = 2,890,698,385.81/80,190.58 - Step 6: Final answer
x = 36,047.85
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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.