Finding the Fourth Proportional to 275,396.44, 412,605.95 and 115,119.06
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Solution
The fourth proportional to 275,396.44, 412,605.95 and 115,119.06 is: 172,474.31
Step by Step Solution
- Step 1: Write the proportion equation
275,396.44 : 412,605.95 = 115,119.06 : x - Step 2: Convert to fraction form
275,396.44/412,605.95 = 115,119.06/x - Step 3: Cross multiply
275,396.44x = 412,605.95 × 115,119.06 - Step 4: Simplify right side
275,396.44x = 47,498,811,120.45 - Step 5: Solve for x
x = 47,498,811,120.45/275,396.44 - Step 6: Final answer
x = 172,474.31
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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.