Finding the Fourth Proportional to 74,393.40, 111,596.17 and 34,928.99
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Solution
The fourth proportional to 74,393.40, 111,596.17 and 34,928.99 is: 52,396.33
Step by Step Solution
- Step 1: Write the proportion equation
74,393.40 : 111,596.17 = 34,928.99 : x - Step 2: Convert to fraction form
74,393.40/111,596.17 = 34,928.99/x - Step 3: Cross multiply
74,393.40x = 111,596.17 × 34,928.99 - Step 4: Simplify right side
74,393.40x = 3,897,940,947.99 - Step 5: Solve for x
x = 3,897,940,947.99/74,393.40 - Step 6: Final answer
x = 52,396.33
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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.