Finding the Fourth Proportional to 167,907.18, 251,860.50 and 115,156.74
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Solution
The fourth proportional to 167,907.18, 251,860.50 and 115,156.74 is: 172,734.92
Step by Step Solution
- Step 1: Write the proportion equation
167,907.18 : 251,860.50 = 115,156.74 : x - Step 2: Convert to fraction form
167,907.18/251,860.50 = 115,156.74/x - Step 3: Cross multiply
167,907.18x = 251,860.50 × 115,156.74 - Step 4: Simplify right side
167,907.18x = 29,003,434,114.77 - Step 5: Solve for x
x = 29,003,434,114.77/167,907.18 - Step 6: Final answer
x = 172,734.92
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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.