Finding the Fourth Proportional to 275,176.99, 412,737.84 and 75,517.48
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Solution
The fourth proportional to 275,176.99, 412,737.84 and 75,517.48 is: 113,268.63
Step by Step Solution
- Step 1: Write the proportion equation
275,176.99 : 412,737.84 = 75,517.48 : x - Step 2: Convert to fraction form
275,176.99/412,737.84 = 75,517.48/x - Step 3: Cross multiply
275,176.99x = 412,737.84 × 75,517.48 - Step 4: Simplify right side
275,176.99x = 31,168,921,577.44 - Step 5: Solve for x
x = 31,168,921,577.44/275,176.99 - Step 6: Final answer
x = 113,268.63
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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.