Finding the Fourth Proportional to 75,338.26, 112,966.38 and 22,740.91
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Solution
The fourth proportional to 75,338.26, 112,966.38 and 22,740.91 is: 34,098.99
Step by Step Solution
- Step 1: Write the proportion equation
75,338.26 : 112,966.38 = 22,740.91 : x - Step 2: Convert to fraction form
75,338.26/112,966.38 = 22,740.91/x - Step 3: Cross multiply
75,338.26x = 112,966.38 × 22,740.91 - Step 4: Simplify right side
75,338.26x = 2,568,958,280.61 - Step 5: Solve for x
x = 2,568,958,280.61/75,338.26 - Step 6: Final answer
x = 34,098.99
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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.