Finding the Fourth Proportional to 259,524.62, 389,267.48 and 72,550.70
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Solution
The fourth proportional to 259,524.62, 389,267.48 and 72,550.70 is: 108,820.61
Step by Step Solution
- Step 1: Write the proportion equation
259,524.62 : 389,267.48 = 72,550.70 : x - Step 2: Convert to fraction form
259,524.62/389,267.48 = 72,550.70/x - Step 3: Cross multiply
259,524.62x = 389,267.48 × 72,550.70 - Step 4: Simplify right side
259,524.62x = 28,241,628,161.24 - Step 5: Solve for x
x = 28,241,628,161.24/259,524.62 - Step 6: Final answer
x = 108,820.61
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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.