Finding the Fourth Proportional to 275,135.01, 412,703.12 and 75,458.26
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Solution
The fourth proportional to 275,135.01, 412,703.12 and 75,458.26 is: 113,187.56
Step by Step Solution
- Step 1: Write the proportion equation
275,135.01 : 412,703.12 = 75,458.26 : x - Step 2: Convert to fraction form
275,135.01/412,703.12 = 75,458.26/x - Step 3: Cross multiply
275,135.01x = 412,703.12 × 75,458.26 - Step 4: Simplify right side
275,135.01x = 31,141,859,331.77 - Step 5: Solve for x
x = 31,141,859,331.77/275,135.01 - Step 6: Final answer
x = 113,187.56
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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.