Finding the Fourth Proportional to 73,546.80, 110,320.20 and 38,497.20
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Solution
The fourth proportional to 73,546.80, 110,320.20 and 38,497.20 is: 57,745.80
Step by Step Solution
- Step 1: Write the proportion equation
73,546.80 : 110,320.20 = 38,497.20 : x - Step 2: Convert to fraction form
73,546.80/110,320.20 = 38,497.20/x - Step 3: Cross multiply
73,546.80x = 110,320.20 × 38,497.20 - Step 4: Simplify right side
73,546.80x = 4,247,018,803.44 - Step 5: Solve for x
x = 4,247,018,803.44/73,546.80 - Step 6: Final answer
x = 57,745.80
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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.