Finding the Fourth Proportional to 167,994.10, 251,991.15 and 155,163.70
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Solution
The fourth proportional to 167,994.10, 251,991.15 and 155,163.70 is: 232,745.55
Step by Step Solution
- Step 1: Write the proportion equation
167,994.10 : 251,991.15 = 155,163.70 : x - Step 2: Convert to fraction form
167,994.10/251,991.15 = 155,163.70/x - Step 3: Cross multiply
167,994.10x = 251,991.15 × 155,163.70 - Step 4: Simplify right side
167,994.10x = 39,099,879,201.26 - Step 5: Solve for x
x = 39,099,879,201.26/167,994.10 - Step 6: Final answer
x = 232,745.55
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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.