Finding the Fourth Proportional to 73,578.14, 110,367.48 and 18,174.14
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Solution
The fourth proportional to 73,578.14, 110,367.48 and 18,174.14 is: 27,261.28
Step by Step Solution
- Step 1: Write the proportion equation
73,578.14 : 110,367.48 = 18,174.14 : x - Step 2: Convert to fraction form
73,578.14/110,367.48 = 18,174.14/x - Step 3: Cross multiply
73,578.14x = 110,367.48 × 18,174.14 - Step 4: Simplify right side
73,578.14x = 2,005,834,032.97 - Step 5: Solve for x
x = 2,005,834,032.97/73,578.14 - Step 6: Final answer
x = 27,261.28
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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.