Finding the Fourth Proportional to 275,178.99, 412,740.84 and 75,519.48
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Solution
The fourth proportional to 275,178.99, 412,740.84 and 75,519.48 is: 113,271.63
Step by Step Solution
- Step 1: Write the proportion equation
275,178.99 : 412,740.84 = 75,519.48 : x - Step 2: Convert to fraction form
275,178.99/412,740.84 = 75,519.48/x - Step 3: Cross multiply
275,178.99x = 412,740.84 × 75,519.48 - Step 4: Simplify right side
275,178.99x = 31,169,973,611.56 - Step 5: Solve for x
x = 31,169,973,611.56/275,178.99 - Step 6: Final answer
x = 113,271.63
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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.