Finding the Fourth Proportional to 259,744.26, 389,655.34 and 91,234.88
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Solution
The fourth proportional to 259,744.26, 389,655.34 and 91,234.88 is: 136,866.00
Step by Step Solution
- Step 1: Write the proportion equation
259,744.26 : 389,655.34 = 91,234.88 : x - Step 2: Convert to fraction form
259,744.26/389,655.34 = 91,234.88/x - Step 3: Cross multiply
259,744.26x = 389,655.34 × 91,234.88 - Step 4: Simplify right side
259,744.26x = 35,550,158,186.26 - Step 5: Solve for x
x = 35,550,158,186.26/259,744.26 - Step 6: Final answer
x = 136,866.00
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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.