Finding the Fourth Proportional to 73,431.18, 110,146.88 and 18,027.18
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Solution
The fourth proportional to 73,431.18, 110,146.88 and 18,027.18 is: 27,040.80
Step by Step Solution
- Step 1: Write the proportion equation
73,431.18 : 110,146.88 = 18,027.18 : x - Step 2: Convert to fraction form
73,431.18/110,146.88 = 18,027.18/x - Step 3: Cross multiply
73,431.18x = 110,146.88 × 18,027.18 - Step 4: Simplify right side
73,431.18x = 1,985,637,542.06 - Step 5: Solve for x
x = 1,985,637,542.06/73,431.18 - Step 6: Final answer
x = 27,040.80
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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.