Finding the Fourth Proportional to 80,329.68, 120,471.12 and 24,155.28
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Solution
The fourth proportional to 80,329.68, 120,471.12 and 24,155.28 is: 36,225.88
Step by Step Solution
- Step 1: Write the proportion equation
80,329.68 : 120,471.12 = 24,155.28 : x - Step 2: Convert to fraction form
80,329.68/120,471.12 = 24,155.28/x - Step 3: Cross multiply
80,329.68x = 120,471.12 × 24,155.28 - Step 4: Simplify right side
80,329.68x = 2,910,013,635.51 - Step 5: Solve for x
x = 2,910,013,635.51/80,329.68 - Step 6: Final answer
x = 36,225.88
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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.