Finding the Fourth Proportional to 80,338.91, 120,511.49 and 24,187.01
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Solution
The fourth proportional to 80,338.91, 120,511.49 and 24,187.01 is: 36,281.45
Step by Step Solution
- Step 1: Write the proportion equation
80,338.91 : 120,511.49 = 24,187.01 : x - Step 2: Convert to fraction form
80,338.91/120,511.49 = 24,187.01/x - Step 3: Cross multiply
80,338.91x = 120,511.49 × 24,187.01 - Step 4: Simplify right side
80,338.91x = 2,914,811,890.25 - Step 5: Solve for x
x = 2,914,811,890.25/80,338.91 - Step 6: Final answer
x = 36,281.45
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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.