Finding the Fourth Proportional to 259,958.26, 389,937.40 and 93,746.26
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Solution
The fourth proportional to 259,958.26, 389,937.40 and 93,746.26 is: 140,619.39
Step by Step Solution
- Step 1: Write the proportion equation
259,958.26 : 389,937.40 = 93,746.26 : x - Step 2: Convert to fraction form
259,958.26/389,937.40 = 93,746.26/x - Step 3: Cross multiply
259,958.26x = 389,937.40 × 93,746.26 - Step 4: Simplify right side
259,958.26x = 36,555,172,884.12 - Step 5: Solve for x
x = 36,555,172,884.12/259,958.26 - Step 6: Final answer
x = 140,619.39
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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.