Finding the Fourth Proportional to 151,249.71, 226,624.95 and 87,891.99
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Solution
The fourth proportional to 151,249.71, 226,624.95 and 87,891.99 is: 131,692.93
Step by Step Solution
- Step 1: Write the proportion equation
151,249.71 : 226,624.95 = 87,891.99 : x - Step 2: Convert to fraction form
151,249.71/226,624.95 = 87,891.99/x - Step 3: Cross multiply
151,249.71x = 226,624.95 × 87,891.99 - Step 4: Simplify right side
151,249.71x = 19,918,517,839.15 - Step 5: Solve for x
x = 19,918,517,839.15/151,249.71 - Step 6: Final answer
x = 131,692.93
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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.