Finding the Fourth Proportional to 80,778.46, 121,185.17 and 24,617.09
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Solution
The fourth proportional to 80,778.46, 121,185.17 and 24,617.09 is: 36,930.95
Step by Step Solution
- Step 1: Write the proportion equation
80,778.46 : 121,185.17 = 24,617.09 : x - Step 2: Convert to fraction form
80,778.46/121,185.17 = 24,617.09/x - Step 3: Cross multiply
80,778.46x = 121,185.17 × 24,617.09 - Step 4: Simplify right side
80,778.46x = 2,983,225,599.86 - Step 5: Solve for x
x = 2,983,225,599.86/80,778.46 - Step 6: Final answer
x = 36,930.95
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1.5x scale
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.